w*w+4=45

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Solution for w*w+4=45 equation: 


Simplifying
w * w + 4 = 45

Multiply w * w
w2 + 4 = 45

Reorder the terms:
4 + w2 = 45

Solving
4 + w2 = 45

Solving for variable 'w'.

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

Add '-4' to each side of the equation.
4 + -4 + w2 = 45 + -4

Combine like terms: 4 + -4 = 0
0 + w2 = 45 + -4
w2 = 45 + -4

Combine like terms: 45 + -4 = 41
w2 = 41

Simplifying
w2 = 41

Take the square root of each side:
w = {-6.403124237, 6.403124237}

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