Question

3x² = 12 *



7x² = 63 *



10x² = 810 *



2x² = 512 *

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Answer 1

*X'2 = 12/3

X'2= 4

X=4/2

X=2

*X'2= 63/7

X'2= 9

X=9/2

X=4,5

*X'2=810/10

X'2=81

X=81/2

X=40,5

*X'2=512/2

X'2=256

X=256/2

X=128