Look at the quadratic equation below.

x^2-10x-6=2x+1

What is the quadratic equation written in standard form?

A. x^2-8x-5=0

B. x^2-8x-7=0

C. x^2-12x-7=0

D. x^2-12x-5=0

Look at the quadratic equation below x210x62x1 What is the quadratic equation written in standard form A x28x50 B x28x70 C x212x70 D x212x50 class=

Respuesta :

Subtract the right side and you have
   x² -10x -6 -2x -1 = 0
   x² -12x -7 = 0

This corresponds to the selection ...
   C. x² -12x - 7 = 0