49-4z^2=0

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Solution for 49-4z^2=0 equation: 


Simplifying
49 + -4z2 = 0

Solving
49 + -4z2 = 0

Solving for variable 'z'.

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

Add '-49' to each side of the equation.
49 + -49 + -4z2 = 0 + -49

Combine like terms: 49 + -49 = 0
0 + -4z2 = 0 + -49
-4z2 = 0 + -49

Combine like terms: 0 + -49 = -49
-4z2 = -49

Divide each side by '-4'.
z2 = 12.25

Simplifying
z2 = 12.25

Take the square root of each side:
z = {-3.5, 3.5}

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