X^2+40x+400=100

Solution for X^2+40x+400=100 equation:

Simplifying
X2 + 40x + 400 = 100

Reorder the terms:
400 + X2 + 40x = 100

Solving
400 + X2 + 40x = 100

Solving for variable 'X'.

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

Add '-400' to each side of the equation.
400 + X2 + -400 + 40x = 100 + -400

Reorder the terms:
400 + -400 + X2 + 40x = 100 + -400

Combine like terms: 400 + -400 = 0
0 + X2 + 40x = 100 + -400
X2 + 40x = 100 + -400

Combine like terms: 100 + -400 = -300
X2 + 40x = -300

Add '-40x' to each side of the equation.
X2 + 40x + -40x = -300 + -40x

Combine like terms: 40x + -40x = 0
X2 + 0 = -300 + -40x
X2 = -300 + -40x

Simplifying
X2 = -300 + -40x

Reorder the terms:
300 + X2 + 40x = -300 + -40x + 300 + 40x

Reorder the terms:
300 + X2 + 40x = -300 + 300 + -40x + 40x

Combine like terms: -300 + 300 = 0
300 + X2 + 40x = 0 + -40x + 40x
300 + X2 + 40x = -40x + 40x

Combine like terms: -40x + 40x = 0
300 + X2 + 40x = 0

The solution to this equation could not be determined.