Question

$a) \: {x}^{4} - (x - z {)}^{4}$

$b)96abc \: (3a - 12)(5b - 30) \: \div 144(a - 4)(b - 6)$
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Answer 1

In first pic

in 6th line

In Last term that is x^2 + z^2 - 2xz

not + 2xz

Answer 2

Answer:

a) \: {x}^{4} - (x - z {)}^{4}a)x

4

−(x−z)

4

b)96abc \: (3a - 12)(5b - 30) \: \div 144(a - 4)(b - 6)b)96abc(3a−12)(5b−30)÷144(a−4)(b−6)

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Give quality answer with full solution.. nd don't copy from Browser....

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