Math, asked by shaikhnazeer, 6 months ago

Find the factors of x²
-4x-21.

Answers

Answered by Sankalp050

2

Answer:

${x}^{2} - 4x - 21 \\ \\ {x}^{2} - 7x + 3x - 21 \\ \\ x(x - 7) + 3(x - 7) \\ \\ (x - 7)(x + 3)$

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