Solve the quadratic by factoring.5, x, squared, plus, 9, x, minus, 6, equals, 10, x5x 2 +9x−6=10x
Question
Solve the quadratic by factoring.
Solution
First, let's rewrite the equation to bring all terms to one side:
5x^2 + 9x - 6 - 10x = 0
This simplifies to:
5x^2 - x - 6 = 0
Next, we factor the quadratic equation. We are looking for two numbers that multiply to -30 (5*-6) and add to -1. Those numbers are -6 and 5.
So, we can rewrite the equation as:
5x^2 - 6x + 5x - 6 = 0
Then, we group the terms and factor by grouping:
x(5x - 6) + 1(5x - 6) = 0
This gives us:
(5x - 6)(x + 1) = 0
Setting each factor equal to zero gives the solutions to the equation:
5x - 6 = 0 --> 5x = 6 --> x = 6/5
and
x + 1 = 0 --> x = -1
So, the solutions to the equation 5x^2 + 9x - 6 = 10x are x = 6/5 and x = -1.
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