# How do you solve #a^2+1=2#?

##### 2 Answers

Jul 27, 2016

#### Explanation:

Jul 27, 2016

a = ± 1

#### Explanation:

Isolate the

#a^2# term on the left side of the equation and numeric terms to the right.

#rArra^2=2-1rArra^2=1# Take the square root of both sides.

#rArrsqrt(a^2)=±sqrt1rArra=±1#