How do you solve the equation 2x^2+16=x^2+7?
1 Answer
Jul 26, 2017
Not Real
Explanation:
- Combine like terms:
2x^2+16=x^2+7
x^2 = -9 - Solve for x by taking the square root of both sides.
sqrt(x^2)=+-sqrt(-9)
The answer is not real, because you are taking the square root of a negative number. Nonetheless, the answer would be...
x=+-3i
