2x(4x-9)=35

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Solution for 2x(4x-9)=35 equation:


Simplifying
2x(4x + -9) = 35

Reorder the terms:
2x(-9 + 4x) = 35
(-9 * 2x + 4x * 2x) = 35
(-18x + 8x2) = 35

Solving
-18x + 8x2 = 35

Solving for variable 'x'.

Reorder the terms:
-35 + -18x + 8x2 = 35 + -35

Combine like terms: 35 + -35 = 0
-35 + -18x + 8x2 = 0

Factor a trinomial.
(-5 + -4x)(7 + -2x) = 0

Subproblem 1

Set the factor '(-5 + -4x)' equal to zero and attempt to solve: Simplifying -5 + -4x = 0 Solving -5 + -4x = 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 + -4x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -4x = 0 + 5 -4x = 0 + 5 Combine like terms: 0 + 5 = 5 -4x = 5 Divide each side by '-4'. x = -1.25 Simplifying x = -1.25

Subproblem 2

Set the factor '(7 + -2x)' equal to zero and attempt to solve: Simplifying 7 + -2x = 0 Solving 7 + -2x = 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 + -2x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2x = 0 + -7 -2x = 0 + -7 Combine like terms: 0 + -7 = -7 -2x = -7 Divide each side by '-2'. x = 3.5 Simplifying x = 3.5

Solution

x = {-1.25, 3.5}

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