Question

Solve: x^2-2x+1=4
x=? and x=?

Answer 1

Subtract the 4 and solve the quadratic.

x^2-2x-3=0

Know how to factor these?

Answer 2

No...

Answer 3

Look for two numbers that add up to -2 and multiply to -3.

Answer 4

well she has a, b and c for the quadratic.. which would give you x=3, and -1. is factoring easier?

Answer 5

-1+-1=-2

Answer 6

i don't really know, pretty confusing to me sorry

Answer 7

hint: \(\large {
x^2-2x+1=4\implies x^2-2x+1-4=0
\\ \quad \\
\implies
\begin{array}{cccllll}
x^2&-2x&-3&=0\\
&-3+1&-3\cdot 1
\end{array}
}\)