0=-5x^2+18x+35

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Solution for 0=-5x^2+18x+35 equation:


Simplifying
0 = -5x2 + 18x + 35

Reorder the terms:
0 = 35 + 18x + -5x2

Solving
0 = 35 + 18x + -5x2

Solving for variable 'x'.

Combine like terms: 0 + -35 = -35
-35 + -18x + 5x2 = 35 + 18x + -5x2 + -35 + -18x + 5x2

Reorder the terms:
-35 + -18x + 5x2 = 35 + -35 + 18x + -18x + -5x2 + 5x2

Combine like terms: 35 + -35 = 0
-35 + -18x + 5x2 = 0 + 18x + -18x + -5x2 + 5x2
-35 + -18x + 5x2 = 18x + -18x + -5x2 + 5x2

Combine like terms: 18x + -18x = 0
-35 + -18x + 5x2 = 0 + -5x2 + 5x2
-35 + -18x + 5x2 = -5x2 + 5x2

Combine like terms: -5x2 + 5x2 = 0
-35 + -18x + 5x2 = 0

Factor a trinomial.
(-7 + -5x)(5 + -1x) = 0

Subproblem 1

Set the factor '(-7 + -5x)' equal to zero and attempt to solve: Simplifying -7 + -5x = 0 Solving -7 + -5x = 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 + -5x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -5x = 0 + 7 -5x = 0 + 7 Combine like terms: 0 + 7 = 7 -5x = 7 Divide each side by '-5'. x = -1.4 Simplifying x = -1.4

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-1.4, 5}

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