7x^2-11x=-4

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Solution for 7x^2-11x=-4 equation:


Simplifying
7x2 + -11x = -4

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

Solving
-11x + 7x2 = -4

Solving for variable 'x'.

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

Combine like terms: -4 + 4 = 0
4 + -11x + 7x2 = 0

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

Subproblem 1

Set the factor '(4 + -7x)' equal to zero and attempt to solve: Simplifying 4 + -7x = 0 Solving 4 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -7x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7x = 0 + -4 -7x = 0 + -4 Combine like terms: 0 + -4 = -4 -7x = -4 Divide each side by '-7'. x = 0.5714285714 Simplifying x = 0.5714285714

Subproblem 2

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 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 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {0.5714285714, 1}

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