Question

Solve x^2 = 14x – 49. Show Work

Answer 1

\[x^2 -14x + 49 = 0\]
you can factor

\[(x-7)(x-7) = 0 \]

so

x = 7

Answer 2

x^2-14x+49 = 0
x^2-7x-7x + 49 = 0
x(x-7)-7(x-7)=0
(x-7)(x-7)=0
(x-7)^2=0
x-7 =0
x = 7