-7x^2+22x-7=-4

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Solution for -7x^2+22x-7=-4 equation:


Simplifying
-7x2 + 22x + -7 = -4

Reorder the terms:
-7 + 22x + -7x2 = -4

Solving
-7 + 22x + -7x2 = -4

Solving for variable 'x'.

Reorder the terms:
-7 + 4 + 22x + -7x2 = -4 + 4

Combine like terms: -7 + 4 = -3
-3 + 22x + -7x2 = -4 + 4

Combine like terms: -4 + 4 = 0
-3 + 22x + -7x2 = 0

Factor a trinomial.
(-3 + x)(1 + -7x) = 0

Subproblem 1

Set the factor '(-3 + x)' equal to zero and attempt to solve: Simplifying -3 + x = 0 Solving -3 + x = 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 + x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + x = 0 + 3 x = 0 + 3 Combine like terms: 0 + 3 = 3 x = 3 Simplifying x = 3

Subproblem 2

Set the factor '(1 + -7x)' equal to zero and attempt to solve: Simplifying 1 + -7x = 0 Solving 1 + -7x = 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 + -7x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -7x = 0 + -1 -7x = 0 + -1 Combine like terms: 0 + -1 = -1 -7x = -1 Divide each side by '-7'. x = 0.1428571429 Simplifying x = 0.1428571429

Solution

x = {3, 0.1428571429}

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