x(4x+11)+7=0

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Solution for x(4x+11)+7=0 equation:


Simplifying
x(4x + 11) + 7 = 0

Reorder the terms:
x(11 + 4x) + 7 = 0
(11 * x + 4x * x) + 7 = 0
(11x + 4x2) + 7 = 0

Reorder the terms:
7 + 11x + 4x2 = 0

Solving
7 + 11x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(7 + 4x)(1 + x) = 0

Subproblem 1

Set the factor '(7 + 4x)' equal to zero and attempt to solve: Simplifying 7 + 4x = 0 Solving 7 + 4x = 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 + 4x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 4x = 0 + -7 4x = 0 + -7 Combine like terms: 0 + -7 = -7 4x = -7 Divide each side by '4'. x = -1.75 Simplifying x = -1.75

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {-1.75, -1}

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