Question

(8 + x) (3 + x) = 50

Answer 1

Ola Liz

(x + 8)*(x + 3) = 50

x² + 8x + 3x + 24 = 50

x² + 11x - 26 = 0 

delta
d² = 121 + 104 = 225 
d = 15

x1 = (-11 + 15)/2 = 4/2 = 2
x2 = (-11 - 15)/2 = -26/2 = -13

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