Question

(4a -3)cube - (4a+3) cube

Answer 1

Answer:

the answer is 0

when you expand you get the same thing but with opposite sign and they get cancelled

Answer 2

$\huge{\mathcal\red{♡Answer:}}$

${(4a - 3)}^{3} - {(4a + 3)}^{3} \\ = (4a - 3 - 4a - 3)[ {(4a - 3)}^{2} + (4a - 3)(4a + 3) + {(4a + 3)}^{2} ] \\ = - 9 (16 {a}^{2} - 2 \times 4a \times 3 + 9 + 16 {a}^{2} + 12a - 12a - 9 + 16 {a}^{2} + 2 \times 4a \times 3 + 9) \\ = - 9(16 {a}^{2} - 24a + 16 {a}^{2} - 9 + 16 {a}^{2} + 24a + 9) \\ = - 9 \times 48 {a}^{2} \\ = - 432 {a}^{2}$[/tex]

$\huge\bold\green {\boxed {Answer:\:-432 {a}^{2}}}$

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