7z^2-50+7=0

Solution for 7z^2-50+7=0 equation:

Simplifying
7z2 + -50 + 7 = 0

Reorder the terms:
-50 + 7 + 7z2 = 0

Combine like terms: -50 + 7 = -43
-43 + 7z2 = 0

Solving
-43 + 7z2 = 0

Solving for variable 'z'.

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

Add '43' to each side of the equation.
-43 + 43 + 7z2 = 0 + 43

Combine like terms: -43 + 43 = 0
0 + 7z2 = 0 + 43
7z2 = 0 + 43

Combine like terms: 0 + 43 = 43
7z2 = 43

Divide each side by '7'.
z2 = 6.142857143

Simplifying
z2 = 6.142857143

Take the square root of each side:
z = {-2.478478796, 2.478478796}