factorx^2+2x+21=

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Solution for factorx^2+2x+21= equation:


Simplifying
factorx2 + 2x + 21 = 0

Reorder the terms:
21 + acfortx2 + 2x = 0

Solving
21 + acfortx2 + 2x = 0

Solving for variable 'a'.

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

Add '-21' to each side of the equation.
21 + acfortx2 + -21 + 2x = 0 + -21

Reorder the terms:
21 + -21 + acfortx2 + 2x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + acfortx2 + 2x = 0 + -21
acfortx2 + 2x = 0 + -21

Combine like terms: 0 + -21 = -21
acfortx2 + 2x = -21

Add '-2x' to each side of the equation.
acfortx2 + 2x + -2x = -21 + -2x

Combine like terms: 2x + -2x = 0
acfortx2 + 0 = -21 + -2x
acfortx2 = -21 + -2x

Divide each side by 'cfortx2'.
a = -21c-1f-1o-1r-1t-1x-2 + -2c-1f-1o-1r-1t-1x-1

Simplifying
a = -21c-1f-1o-1r-1t-1x-2 + -2c-1f-1o-1r-1t-1x-1

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