Math, asked by dhakalbishnu411, 6 hours ago

find the HCF of x^2 + 4x - 21 and x^3 + 7x^2 - 9x - 63

Answers

Answered by mmiikkii03

0

(x+7) (x-3)

Step-by-step explanation:

x2 + x4 - 21 = (x+7) (x-3)

X3 + 7x2 - 9x -63 = (x-3)(x+3)(x+7)

so HCF is (x+7) (x-3)

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