How do you solve 2x^2 + 10 =210?
1 Answer
Apr 11, 2018
Explanation:
"subtract 10 from both sides"
rArr2x^2=200
"divide both sides by 2"
rArrx^2=100
color(blue)"take the square root of both sides"
rArrx=+-sqrt100larrcolor(blue)"note plus or minus"
rArrx=+-10