The problem asks us to solve the quadratic equation $x^2 = -\frac{5}{6}x$ using the quadratic formula and simplify the answer.

AlgebraQuadratic EquationsQuadratic FormulaEquation Solving
2025/4/21

1. Problem Description

The problem asks us to solve the quadratic equation x2=56xx^2 = -\frac{5}{6}x using the quadratic formula and simplify the answer.

2. Solution Steps

First, we rewrite the equation in the standard quadratic form ax2+bx+c=0ax^2 + bx + c = 0.
x2=56xx^2 = -\frac{5}{6}x
x2+56x=0x^2 + \frac{5}{6}x = 0
Now we can multiply the entire equation by 6 to get rid of the fraction:
6(x2+56x)=6(0)6(x^2 + \frac{5}{6}x) = 6(0)
6x2+5x=06x^2 + 5x = 0
Thus, we have a=6a = 6, b=5b = 5, and c=0c = 0.
The quadratic formula is:
x=b±b24ac2ax = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}
Substituting the values of aa, bb, and cc, we have:
x=5±524(6)(0)2(6)x = \frac{-5 \pm \sqrt{5^2 - 4(6)(0)}}{2(6)}
x=5±25012x = \frac{-5 \pm \sqrt{25 - 0}}{12}
x=5±2512x = \frac{-5 \pm \sqrt{25}}{12}
x=5±512x = \frac{-5 \pm 5}{12}
We have two possible solutions:
x1=5+512=012=0x_1 = \frac{-5 + 5}{12} = \frac{0}{12} = 0
x2=5512=1012=56x_2 = \frac{-5 - 5}{12} = \frac{-10}{12} = -\frac{5}{6}

3. Final Answer

0, -5/6

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