Answer :
C because...
2x^2 = 32 becomes...
2x^2 - 32 = 0 (FACTOR OUT THE 2!)
2(x^2 - 16) = 0 —> now we have a difference of squares
2 (x + 4) (x - 4) = 0
Our two solutions are 4 and -4.
2x^2 = 32 becomes...
2x^2 - 32 = 0 (FACTOR OUT THE 2!)
2(x^2 - 16) = 0 —> now we have a difference of squares
2 (x + 4) (x - 4) = 0
Our two solutions are 4 and -4.