Answer:
C D F
Explanation:
C. 2x²=32
x²=16
x=±4
D.-3x²=-48
-x²=-16
F.27-5x²=-53
5x²=27+53=80
c / 2x²=32
so we have 2x²=32
x²=32/2
x=√16 and x= -√16
x=4 and x= -4
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