153+z^2=378

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Solution for 153+z^2=378 equation: 


Simplifying
153 + z2 = 378

Solving
153 + z2 = 378

Solving for variable 'z'.

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

Add '-153' to each side of the equation.
153 + -153 + z2 = 378 + -153

Combine like terms: 153 + -153 = 0
0 + z2 = 378 + -153
z2 = 378 + -153

Combine like terms: 378 + -153 = 225
z2 = 225

Simplifying
z2 = 225

Take the square root of each side:
z = {-15, 15}

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