-3x(2x+a)=6x+15

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Solution for -3x(2x+a)=6x+15 equation:


Simplifying
-3x(2x + a) = 6x + 15

Reorder the terms:
-3x(a + 2x) = 6x + 15
(a * -3x + 2x * -3x) = 6x + 15
(-3ax + -6x2) = 6x + 15

Reorder the terms:
-3ax + -6x2 = 15 + 6x

Solving
-3ax + -6x2 = 15 + 6x

Solving for variable 'a'.

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

Add '6x2' to each side of the equation.
-3ax + -6x2 + 6x2 = 15 + 6x + 6x2

Combine like terms: -6x2 + 6x2 = 0
-3ax + 0 = 15 + 6x + 6x2
-3ax = 15 + 6x + 6x2

Divide each side by '-3x'.
a = -5x-1 + -2 + -2x

Simplifying
a = -5x-1 + -2 + -2x

Reorder the terms:
a = -2 + -5x-1 + -2x

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