Question

2
(1) (2 - x)(2 + x)(4 + x^2)​

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

Answer:

[(2-x)(2+x)](4+x²)

let ,

2= a,, x=b

= [(a-b)(a+b)](4+x²)

=(a²-b²)(4+x²)

=a²(4+x²) -b(4+x²)

=4a²+a²x²-4b -bx²

let us write the values of a and b in their places!

=4(2)²+(2)²x²-4(x)-(x)x²

=8+4x²-4x-x³

=-x³+4x²-4x+8

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