(4x-5)(5x+9)=equation

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Solution for (4x-5)(5x+9)=equation equation:


Simplifying
(4x + -5)(5x + 9) = equation

Reorder the terms:
(-5 + 4x)(5x + 9) = equation

Reorder the terms:
(-5 + 4x)(9 + 5x) = equation

Multiply (-5 + 4x) * (9 + 5x)
(-5(9 + 5x) + 4x * (9 + 5x)) = equation
((9 * -5 + 5x * -5) + 4x * (9 + 5x)) = equation
((-45 + -25x) + 4x * (9 + 5x)) = equation
(-45 + -25x + (9 * 4x + 5x * 4x)) = equation
(-45 + -25x + (36x + 20x2)) = equation

Combine like terms: -25x + 36x = 11x
(-45 + 11x + 20x2) = equation

Solving
-45 + 11x + 20x2 = aeinoqtu

Solving for variable 'x'.

Reorder the terms:
-45 + -1aeinoqtu + 11x + 20x2 = aeinoqtu + -1aeinoqtu

Combine like terms: aeinoqtu + -1aeinoqtu = 0
-45 + -1aeinoqtu + 11x + 20x2 = 0

The solution to this equation could not be determined.

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