3 years ago

Solve for x. x2 = 64

2 answers:

Fed [463]3 years ago

5 0

Answer:

32 × 2 = 64

Step-by-step explanation:

x is being multiplied by 2 so it would be half of 64.

3 0

Answer:

x = ± 8

Step-by-step explanation:

Given

x² = 64 ( take the square root of both sides )

x = ± $\sqrt{64}$ = ± 8 ← note plus or minus

[ since 8² = 64 and (- 8)² = 64 ]

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