How do you solve #sqrt (4x + 8) - 1 = x - 2#?
2 Answers
Jan 26, 2016
1) leave the square root alone on 1 side:
2) square both sides:
3) Expand the right side:
4) Move everything to one side and you get:
5) This. luckily factors out to:
so
Jan 31, 2016
Explanation:
Square both sides:
Use the formula
Now this is a quadratic equation:Solve using quadratic formula: