Question

simplify this pls
no spam pls
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Answer 1

Step-by-step explanation:

2x^3-4x^2+4x-8= 2x^3+2x^2-4x-11x^2+11x+22

-4x^2+4x-8 = -9x^2+11x+22

-4x^2+9x^2+4x-11x=22+8

5x^2-7x=30

5x^2-7x-30=0

what is a quadratic equation