e^2-9-7=0

Solution for e^2-9-7=0 equation:

Simplifying
e2 + -9 + -7 = 0

Reorder the terms:
-9 + -7 + e2 = 0

Combine like terms: -9 + -7 = -16
-16 + e2 = 0

Solving
-16 + e2 = 0

Solving for variable 'e'.

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

Add '16' to each side of the equation.
-16 + 16 + e2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + e2 = 0 + 16
e2 = 0 + 16

Combine like terms: 0 + 16 = 16
e2 = 16

Simplifying
e2 = 16

Take the square root of each side:
e = {-4, 4}