Question

divide X square + 4 x minus 21 by X + 7​

Answer 1

hey mate I hope you satisfied to this answer

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Answer 2

Answer:

(x-3)

Step-by-step explanation:

x^2 + 4x -21 / x+7

x^2 + (-3+7)x -21

x^2 + (-3x) +7x -21

x(x-3) + 7(x-3)

(x-3)(x+7)

no we will divide it by (x+7)

(x-3)(x+7) / (x+7) = (x-3)