3x^2+42=25x

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Solution for 3x^2+42=25x equation:


Simplifying
3x2 + 42 = 25x

Reorder the terms:
42 + 3x2 = 25x

Solving
42 + 3x2 = 25x

Solving for variable 'x'.

Reorder the terms:
42 + -25x + 3x2 = 25x + -25x

Combine like terms: 25x + -25x = 0
42 + -25x + 3x2 = 0

Factor a trinomial.
(7 + -3x)(6 + -1x) = 0

Subproblem 1

Set the factor '(7 + -3x)' equal to zero and attempt to solve: Simplifying 7 + -3x = 0 Solving 7 + -3x = 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 + -3x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3x = 0 + -7 -3x = 0 + -7 Combine like terms: 0 + -7 = -7 -3x = -7 Divide each side by '-3'. x = 2.333333333 Simplifying x = 2.333333333

Subproblem 2

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {2.333333333, 6}

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