How do you factor $x^{3} + x^{2} - 49 x - 49$ $x^3+x^2-49x-49$ by grouping?

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Answer 1 · 2016-07-18T00:39:39

$= x^{2} (x + 1) - 49 (x + 1)$ $=x^2(x + 1) - 49(x + 1)$

$= (x^{2} - 49) (x + 1)$ $=(x^2 - 49)(x + 1)$

$= (x + 7) (x - 7) (x + 1)$ $=(x + 7)(x - 7)(x + 1)$

Hopefully this helps!

How do you factor x3+x2−49x−49x^3+x^2-49x-49 by grouping?