Question

(x + 3 ) (x - 4 ) = ?​

Answer 1

Explanation:

(x+3)(x-4)

x²-4x+3x-12

x²-x-12

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Answer 2

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$\large\underline\red{Solution :}$

(x + 3 ) (x - 4 )

$\implies$x(x - 4) +3(x - 4)

$\implies$ x² - 4x + 3x - 12

$\implies$ x² - x - 12

$\implies$ x² - 4x + 3x - 12

$\implies$ x(x - 4) + 3(x - 4)

$\implies$ (x + 3) (x - 4)

$\large\underline\red{Answer : (x + 3) (x - 4)}$

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