(2x+5)(2x+9)=

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Solution for (2x+5)(2x+9)= equation:


Simplifying
(2x + 5)(2x + 9) = 0

Reorder the terms:
(5 + 2x)(2x + 9) = 0

Reorder the terms:
(5 + 2x)(9 + 2x) = 0

Multiply (5 + 2x) * (9 + 2x)
(5(9 + 2x) + 2x * (9 + 2x)) = 0
((9 * 5 + 2x * 5) + 2x * (9 + 2x)) = 0
((45 + 10x) + 2x * (9 + 2x)) = 0
(45 + 10x + (9 * 2x + 2x * 2x)) = 0
(45 + 10x + (18x + 4x2)) = 0

Combine like terms: 10x + 18x = 28x
(45 + 28x + 4x2) = 0

Solving
45 + 28x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(9 + 2x)(5 + 2x) = 0


Subproblem 1
Set the factor '(9 + 2x)' equal to zero and attempt to solve:

Simplifying
9 + 2x = 0

Solving
9 + 2x = 0

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

Add '-9' to each side of the equation.
9 + -9 + 2x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 2x = 0 + -9
2x = 0 + -9

Combine like terms: 0 + -9 = -9
2x = -9

Divide each side by '2'.
x = -4.5

Simplifying
x = -4.5

Subproblem 2
Set the factor '(5 + 2x)' equal to zero and attempt to solve:

Simplifying
5 + 2x = 0

Solving
5 + 2x = 0

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

Add '-5' to each side of the equation.
5 + -5 + 2x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 2x = 0 + -5
2x = 0 + -5

Combine like terms: 0 + -5 = -5
2x = -5

Divide each side by '2'.
x = -2.5

Simplifying
x = -2.5
Solution
x = {-4.5, -2.5}

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