2X^2-7X+5=-1

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Solution for 2X^2-7X+5=-1 equation:


Simplifying
2X2 + -7X + 5 = -1

Reorder the terms:
5 + -7X + 2X2 = -1

Solving
5 + -7X + 2X2 = -1

Solving for variable 'X'.

Reorder the terms:
5 + 1 + -7X + 2X2 = -1 + 1

Combine like terms: 5 + 1 = 6
6 + -7X + 2X2 = -1 + 1

Combine like terms: -1 + 1 = 0
6 + -7X + 2X2 = 0

Factor a trinomial.
(3 + -2X)(2 + -1X) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(2 + -1X)' equal to zero and attempt to solve: Simplifying 2 + -1X = 0 Solving 2 + -1X = 0 Move all terms containing X to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1X = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1X = 0 + -2 -1X = 0 + -2 Combine like terms: 0 + -2 = -2 -1X = -2 Divide each side by '-1'. X = 2 Simplifying X = 2

Solution

X = {1.5, 2}

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