factor-4r^2+400=0

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Solution for factor-4r^2+400=0 equation:


Simplifying
factor + -4r2 + 400 = 0

Reorder the terms:
400 + acfort + -4r2 = 0

Solving
400 + acfort + -4r2 = 0

Solving for variable 'a'.

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

Add '-400' to each side of the equation.
400 + acfort + -400 + -4r2 = 0 + -400

Reorder the terms:
400 + -400 + acfort + -4r2 = 0 + -400

Combine like terms: 400 + -400 = 0
0 + acfort + -4r2 = 0 + -400
acfort + -4r2 = 0 + -400

Combine like terms: 0 + -400 = -400
acfort + -4r2 = -400

Add '4r2' to each side of the equation.
acfort + -4r2 + 4r2 = -400 + 4r2

Combine like terms: -4r2 + 4r2 = 0
acfort + 0 = -400 + 4r2
acfort = -400 + 4r2

Divide each side by 'cfort'.
a = -400c-1f-1o-1r-1t-1 + 4c-1f-1o-1rt-1

Simplifying
a = -400c-1f-1o-1r-1t-1 + 4c-1f-1o-1rt-1

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