Question

X(x-2) - (x-4)(x-7)=22
2 2

Answer 1

Respuesta:

x(x-2) - (x-4)(x-7) = 22

x² - 2x - (x-4) x (x-7) = 22

x² - 2x-(x²-7x-4x+28) = 22

x²-2x-(x²-11x+28) = 22

x²-2x-x²+11x-28=22

-2x + 11x-28 = 22

9x-28 = 22

9x = 28+22

9x = 50

50/9

espero que te ayude suerte