Question

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

Answer 1

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