joelpimentel
joelpimentel joelpimentel
  • 20-05-2018
  • Mathematics
contestada

PLEASE ANSWER + BRAINLIEST!!

Use the quadratic formula to solve.

3x^2 = 5x

Respuesta :

cdw2014
cdw2014 cdw2014
  • 20-05-2018
The quadratic formula is:

[tex] \frac{-b \pm \sqrt{b^2-4ac} }{2a}[/tex]

To solve the equation using the quadratic formula, we must put it in [tex]ax^2+bx+c[/tex] form.

[tex]3x^2 - 5x + 0 = 0[/tex]

Now plug a, b, and c into the formula and solve:

[tex] \frac{5 \pm \sqrt{25 - 4(3)(0)} }{6} [/tex]

Simplify:

[tex] \frac{5 \pm \sqrt{25-0} }{6} [/tex]

[tex] \frac{5 \pm 5}{6} [/tex]

x = [tex] \frac{10}{6} [/tex] or 0

Reduced, the answer is:

x = 5/3 or 0







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