21+7(h^2-3)=

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Solution for 21+7(h^2-3)= equation: 


Simplifying
21 + 7(h2 + -3) = 0

Reorder the terms:
21 + 7(-3 + h2) = 0
21 + (-3 * 7 + h2 * 7) = 0
21 + (-21 + 7h2) = 0

Combine like terms: 21 + -21 = 0
0 + 7h2 = 0
7h2 = 0

Solving
7h2 = 0

Solving for variable 'h'.

Move all terms containing h to the left, all other terms to the right.

Divide each side by '7'.
h2 = 0

Simplifying
h2 = 0

Take the square root of each side:
h = {0}

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