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Simplifying
8z2 + 2 = 802
Reorder the terms:
2 + 8z2 = 802
Solving
2 + 8z2 = 802
Solving for variable 'z'.
Move all terms containing z to the left, all other terms to the right.
Add '-2' to each side of the equation.
2 + -2 + 8z2 = 802 + -2
Combine like terms: 2 + -2 = 0
0 + 8z2 = 802 + -2
8z2 = 802 + -2
Combine like terms: 802 + -2 = 800
8z2 = 800
Divide each side by '8'.
z2 = 100
Simplifying
z2 = 100
Take the square root of each side:
z = {-10, 10}
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