Simplify : {(2x+3) + (x+5)}^2 + {(2x+3) - (x+5)^2
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Step-by-step explanation:
⇒ 2x - 3x - 12 = - 5
⇒ - x = - 5 + 12
⇒ - x = 7
⇒ x = -7
Hence for the equation 2x – 3(x + 4) = –5, the value of x = -7
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