Math, asked by Anonymous, 9 months ago

(x^2+2x)^2+4(x^2+2x)-21

Answers

Answered by bhargavkashyap2003

1

Step-by-step explanation:

x^4+4x^2+4x^3+4x^2+8x-21

=x^4+4x^3+8x^2+8x-21

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