(5x+7)(5x+3)=0

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Solution for (5x+7)(5x+3)=0 equation:


Simplifying
(5x + 7)(5x + 3) = 0

Reorder the terms:
(7 + 5x)(5x + 3) = 0

Reorder the terms:
(7 + 5x)(3 + 5x) = 0

Multiply (7 + 5x) * (3 + 5x)
(7(3 + 5x) + 5x * (3 + 5x)) = 0
((3 * 7 + 5x * 7) + 5x * (3 + 5x)) = 0
((21 + 35x) + 5x * (3 + 5x)) = 0
(21 + 35x + (3 * 5x + 5x * 5x)) = 0
(21 + 35x + (15x + 25x2)) = 0

Combine like terms: 35x + 15x = 50x
(21 + 50x + 25x2) = 0

Solving
21 + 50x + 25x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(7 + 5x)(3 + 5x) = 0

Subproblem 1

Set the factor '(7 + 5x)' equal to zero and attempt to solve: Simplifying 7 + 5x = 0 Solving 7 + 5x = 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 + 5x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 5x = 0 + -7 5x = 0 + -7 Combine like terms: 0 + -7 = -7 5x = -7 Divide each side by '5'. x = -1.4 Simplifying x = -1.4

Subproblem 2

Set the factor '(3 + 5x)' equal to zero and attempt to solve: Simplifying 3 + 5x = 0 Solving 3 + 5x = 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 + 5x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 5x = 0 + -3 5x = 0 + -3 Combine like terms: 0 + -3 = -3 5x = -3 Divide each side by '5'. x = -0.6 Simplifying x = -0.6

Solution

x = {-1.4, -0.6}

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