Question

Solve (x+2)²-12(x+2)³+42(x+2)²-30(x+2)

Answer 1

Answer -(x+2)2×(2497+1248x)

Step by step-

1) multiple rewrite

2)collect like terms

3)express the factor

4)remove the inside bracket( not all bracket)

5)calculate

6)solution

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