<transcript><audio_5>we get a cubed plus three a squared b plus three a b squared plus b cubed and in fact this is another formula that it would benefit you to memorize this is the cube of some or the cube of</transcript><transcript><audio_6>if you replace x with a and a with b you end up the exact same thing we just got here so the way i would prefer you guys to memorize this is actually as placeholders so a lot of times students will memorize</transcript><transcript><audio_7>things with x's and y's or x's and a's or a's and b's and then when the letters change then they get stuck so here what you want to do is say whatever the first term is before the</transcript><caption><image_8>The image is a screenshot of a presentation slide with a black background. On the left side of the slide, there is a list of mathematical equations written in red text. The equations are arranged in a grid-like pattern, with each equation represented by a different color. 

At the top of the screen, there are two rows of text, with the first row containing the equations and the second row containing them. The first row contains the equations of the equation "L = L = L2 = L3 = L4 = L5 = L6 = L7 = L8 = L9 = L10 = L11 = L12 = L13 = L14 = L15 = L16 = L17 = L18 = L19 = L20 = L21 = L22 = L23 = L24 = L25 = L26 = L27 = L28 = L29 = L30 = L31 = L32 = L33 = L34 = L35 = L36 = L37 = L38 = L39 = L40 = L41 = L42 = L43 = L44 = L45 = L46 = L47 = L48 = L50 = L51 = L52 = L53 = L54</caption><transcript><audio_9>plus sign i'm going to cube it so the first term is x i'm going to cube it here by contrast the first term was a so we cubed that so if you memorize it in general that whatever is the first term we have to cube it</transcript><transcript><audio_10>plus 3 times now here you'll notice that ax squared is written as such because a is a constant and x is a variable but really what's happening is 3 times this quantity squared whatever is first</transcript><transcript><audio_11>is being squared times this quantity so if you have 3x squared times a you can rearrange that to write this so the way this formula is presented in many textbooks as in hours students don't tend to see or get a very</transcript> we get a cubed plus three a squared b plus three a b squared plus b cubed and in fact this is another formula that it would benefit you to memorize this is the cube of some or the cube of if you replace x with a and a with b you end up the exact same thing we just got here so the way i would prefer you guys to memorize this is actually as placeholders so a lot of times students will memorize things with x's and y's or x's and a's or a's and b's and then when the letters change then they get stuck so here what you want to do is say whatever the first term is before the plus sign i'm going to cube it so the first term is x i'm going to cube it here by contrast the first term was a so we cubed that so if you memorize it in general that whatever is the first term we have to cube it plus 3 times now here you'll notice that ax squared is written as such because a is a constant and x is a variable but really what's happening is 3 times this quantity squared whatever is first is being squared times this quantity so if you have 3x squared times a you can rearrange that to write this so the way this formula is presented in many textbooks as in hours students don't tend to see or get a very
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