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65=15+x^2 solve for x

User Swithin
by
6.1k points

1 Answer

1 vote

Answer:

±5sqrt(2) =x

Explanation:

65=15+x^2

Subtract 15 from each side

65-15=15-15+x^2

50 = x^2

Take the square root of each side

±sqrt(50) = sqrt(x^2)

±sqrt(25*2) =x

±sqrt(25)sqrt(2) =x

±5sqrt(2) =x

User Camacho
by
5.0k points