Question

(x + 2)(x – 5)(x – 6)(x + 1)-8​

Answer 1

Answer:

=x^4 − 8x^3 − x^2 + 68x + 52

Step-by-step explanation:

x^4 −  9x^3 + 8x^2 + 60x + x^3− 9x^2 + 8x + 60 − 8

Combine Like Terms:

=x^4+−9x^3+8x^2+60x+x^3+−9x^2+8x+60-8

=(x^4)+(−9x^3+x^3)+(8x^2+−9x^2) + (60x+8x) + (60+−8)

=x^4 − 8x^3 − x^2 + 68x + 52

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