Question
Solving quadriatic equaitons using factoring.
X^2-6=30-3x^2
The answer in the book is -3,3.
I have tried to work the problem several times. I am not getting this answer.
X^2-6=30-3x^2
The answer in the book is -3,3.
I have tried to work the problem several times. I am not getting this answer.
Answers
Reiny
X^2-6=30-3x^2
4x^2 = 36
x^2 = 9
x = ±3
4x^2 = 36
x^2 = 9
x = ±3