-(2x+7)(2x+3)=

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Solution for -(2x+7)(2x+3)= equation: 


Simplifying
-1(2x + 7)(2x + 3) = 0

Reorder the terms:
-1(7 + 2x)(2x + 3) = 0

Reorder the terms:
-1(7 + 2x)(3 + 2x) = 0

Multiply (7 + 2x) * (3 + 2x)
-1(7(3 + 2x) + 2x * (3 + 2x)) = 0
-1((3 * 7 + 2x * 7) + 2x * (3 + 2x)) = 0
-1((21 + 14x) + 2x * (3 + 2x)) = 0
-1(21 + 14x + (3 * 2x + 2x * 2x)) = 0
-1(21 + 14x + (6x + 4x2)) = 0

Combine like terms: 14x + 6x = 20x
-1(21 + 20x + 4x2) = 0
(21 * -1 + 20x * -1 + 4x2 * -1) = 0
(-21 + -20x + -4x2) = 0

Solving
-21 + -20x + -4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(21 + 20x + 4x2) = 0

Factor a trinomial.
-1((7 + 2x)(3 + 2x)) = 0

Ignore the factor -1.

Subproblem 1
Set the factor '(7 + 2x)' equal to zero and attempt to solve:

Simplifying
7 + 2x = 0

Solving
7 + 2x = 0

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

Add '-7' to each side of the equation.
7 + -7 + 2x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 2x = 0 + -7
2x = 0 + -7

Combine like terms: 0 + -7 = -7
2x = -7

Divide each side by '2'.
x = -3.5

Simplifying
x = -3.5

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

Simplifying
3 + 2x = 0

Solving
3 + 2x = 0

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

Add '-3' to each side of the equation.
3 + -3 + 2x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 2x = 0 + -3
2x = 0 + -3

Combine like terms: 0 + -3 = -3
2x = -3

Divide each side by '2'.
x = -1.5

Simplifying
x = -1.5
Solution
x = {-3.5, -1.5}

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