4x^2+20x+25=4

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Solution for 4x^2+20x+25=4 equation:


Simplifying
4x2 + 20x + 25 = 4

Reorder the terms:
25 + 20x + 4x2 = 4

Solving
25 + 20x + 4x2 = 4

Solving for variable 'x'.

Reorder the terms:
25 + -4 + 20x + 4x2 = 4 + -4

Combine like terms: 25 + -4 = 21
21 + 20x + 4x2 = 4 + -4

Combine like terms: 4 + -4 = 0
21 + 20x + 4x2 = 0

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

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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