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Zielflug [23.3K]
3 years ago
9

Please help quick!!

Mathematics
2 answers:
luda_lava [24]3 years ago
7 0
C
6x^2-13X-5=0
(3X+1)(2X-5)
3x-1=0
X=1/3. 2x-5=0. X= 5/2
elena-s [515]3 years ago
4 0

Answer:

Option A is correct.

\{\frac{5}{3}, -\frac{1}{3}\}

Step-by-step explanation:

Given the equation: 6x^2=13x+5

we can write this as:

6x^2-13x-5=0

A quadratic equation is of the form: ax^2+bx+c=0

then the solution is given by:

x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}

On comparing with the given equation we have;

a = 6, b = -13 and c = -5 then;

Substitute the given values we have

x = \frac{-(-13)\pm\sqrt{(-13)^2-4(6)(-5)}}{2(6)}

x = \frac{13\pm\sqrt{169+120}}{12}

Simplify:

x = \frac{13 \pm\sqrt{289}}{12}

x = \frac{13 \pm 17}{12}

Then;

x = \frac{13+17}{12} and x = \frac{13-17}{12}

⇒x = \frac{20}{12} and x = -\frac{4}{12}

⇒x = \frac{5}{3} and x = -\frac{1}{3}

Therefore, the solution for the given equation are:

\{\frac{5}{3}, -\frac{1}{3}\}

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