Question

(x + 7)(x+ 2) = (x-3) (x-4)​

Answer 1

Answer:

-1/8

Step-by-step explanation:

(x + 7)(x+ 2) = (x-3) (x-4)​

x^2 + 9x +14 = x^2 -7x + 12

9x+7x = 12-14

16x = -2

x = -2/16 = -1/8

Answer 2

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$(x + 7)(x + 2) = (x - 3)(x - 4) \\ \\ \rightarrow \cancel {x}^{2} + 2x + 7x + 14 = \cancel {x}^{2} - 4x - 3x + 12. \\ \\ \rightarrow \: 9x + 14 = - 7x + 12. \\ \\ \rightarrow 16x = - 2. \\ \\ \rightarrow \: x = \frac{ - \cancel 2}{ \cancel1 \cancel6} . \\ \\ \rightarrow \: x = \frac{ - 1}{8} .$

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