factorx^2+3x-21=0

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Solution for factorx^2+3x-21=0 equation:


Simplifying
factorx2 + 3x + -21 = 0

Reorder the terms:
-21 + acfortx2 + 3x = 0

Solving
-21 + acfortx2 + 3x = 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 + 3x = 0 + 21

Reorder the terms:
-21 + 21 + acfortx2 + 3x = 0 + 21

Combine like terms: -21 + 21 = 0
0 + acfortx2 + 3x = 0 + 21
acfortx2 + 3x = 0 + 21

Combine like terms: 0 + 21 = 21
acfortx2 + 3x = 21

Add '-3x' to each side of the equation.
acfortx2 + 3x + -3x = 21 + -3x

Combine like terms: 3x + -3x = 0
acfortx2 + 0 = 21 + -3x
acfortx2 = 21 + -3x

Divide each side by 'cfortx2'.
a = 21c-1f-1o-1r-1t-1x-2 + -3c-1f-1o-1r-1t-1x-1

Simplifying
a = 21c-1f-1o-1r-1t-1x-2 + -3c-1f-1o-1r-1t-1x-1

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