Math, asked by sourabhnayak96361176, 4 months ago

$( \times + 3)( \times + 7)$

Answers

Answered by avijitds93

0

Step-by-step explanation:

$(x + 3)(x + 7) \\ = {x}^{2} + 10x + 21 \\ = ( {x}^{2} + 7x + 3x + 21) \\ = x(x + 7) + 3(x + 7) \\ then \\ x = 7 \: or \: \: 3$

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