1400=10z^2

Solution for 1400=10z^2 equation:

Simplifying
1400 = 10z2

Solving
1400 = 10z2

Solving for variable 'z'.

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

Add '-10z2' to each side of the equation.
1400 + -10z2 = 10z2 + -10z2

Combine like terms: 10z2 + -10z2 = 0
1400 + -10z2 = 0

Add '-1400' to each side of the equation.
1400 + -1400 + -10z2 = 0 + -1400

Combine like terms: 1400 + -1400 = 0
0 + -10z2 = 0 + -1400
-10z2 = 0 + -1400

Combine like terms: 0 + -1400 = -1400
-10z2 = -1400

Divide each side by '-10'.
z2 = 140

Simplifying
z2 = 140

Take the square root of each side:
z = {-11.832159566, 11.832159566}