(X+7)(x-5)/2=14

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Solution for (X+7)(x-5)/2=14 equation: 


x in (-oo:+oo)

((X+7)*(x-5))/2 = 14 // - 14

((X+7)*(x-5))/2-14 = 0

((X+7)*(x-5))/2+(-14*2)/2 = 0

(X+7)*(x-5)-14*2 = 0

X*x-5*X+7*x-63 = 0

(X*x-5*X+7*x-63)/2 = 0

(X*x-5*X+7*x-63)/2 = 0 // * 2

X*x-5*X+7*x-63 = 0

7*x-5*X-63 = 0 // + -5*X-63

7*x = -(-5*X-63) // : 7

x = (-(-5*X-63))/7

x = (63-(-5*X))/7

x = (63-(-5*X))/7

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