### Home > A2C > Chapter 8 > Lesson 8.1.6 > Problem8-98

8-98.

Solve each of the following equations.

1. $2\left(x − 1\right)^{2} = 18$

Divide both sides by 2.
How many solutions are you expecting?

1. $2^{x} + 3 = 10$

Subtract 3 from both sides.

2x = 7

Take the log of both sides.

log (2)x = log(7)

Apply the Power Property.

x · log(2) = log(7)