(3x+4)(x-3)=10

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Solution for (3x+4)(x-3)=10 equation: 


Simplifying
(3x + 4)(x + -3) = 10

Reorder the terms:
(4 + 3x)(x + -3) = 10

Reorder the terms:
(4 + 3x)(-3 + x) = 10

Multiply (4 + 3x) * (-3 + x)
(4(-3 + x) + 3x * (-3 + x)) = 10
((-3 * 4 + x * 4) + 3x * (-3 + x)) = 10
((-12 + 4x) + 3x * (-3 + x)) = 10
(-12 + 4x + (-3 * 3x + x * 3x)) = 10
(-12 + 4x + (-9x + 3x2)) = 10

Combine like terms: 4x + -9x = -5x
(-12 + -5x + 3x2) = 10

Solving
-12 + -5x + 3x2 = 10

Solving for variable 'x'.

Reorder the terms:
-12 + -10 + -5x + 3x2 = 10 + -10

Combine like terms: -12 + -10 = -22
-22 + -5x + 3x2 = 10 + -10

Combine like terms: 10 + -10 = 0
-22 + -5x + 3x2 = 0

Factor a trinomial.
(-2 + -1x)(11 + -3x) = 0


Subproblem 1
Set the factor '(-2 + -1x)' equal to zero and attempt to solve:

Simplifying
-2 + -1x = 0

Solving
-2 + -1x = 0

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

Add '2' to each side of the equation.
-2 + 2 + -1x = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1x = 0 + 2
-1x = 0 + 2

Combine like terms: 0 + 2 = 2
-1x = 2

Divide each side by '-1'.
x = -2

Simplifying
x = -2

Subproblem 2
Set the factor '(11 + -3x)' equal to zero and attempt to solve:

Simplifying
11 + -3x = 0

Solving
11 + -3x = 0

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

Add '-11' to each side of the equation.
11 + -11 + -3x = 0 + -11

Combine like terms: 11 + -11 = 0
0 + -3x = 0 + -11
-3x = 0 + -11

Combine like terms: 0 + -11 = -11
-3x = -11

Divide each side by '-3'.
x = 3.666666667

Simplifying
x = 3.666666667
Solution
x = {-2, 3.666666667}

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