taylorlynch
taylorlynch taylorlynch
  • 04-08-2015
  • Mathematics
contestada

Solve by factoring:

25X^2+5X-12=0

Respuesta :

naǫ
naǫ naǫ
  • 04-08-2015
[tex]25x^2+5x-12=0 \\ 25x^2-15x+20x-12=0 \\ 5x(5x-3)+4(5x-3)=0 \\ (5x+4)(5x-3)=0 \\ 5x+4=0 \ \lor \ 5x-3=0 \\ 5x=-4 \ \lor \ 5x=3 \\ x=-\frac{4}{5} \ \lor \ x=\frac{3}{5} \\ \boxed{x=-\frac{4}{5} \hbox{ or } x=\frac{3}{5}}[/tex]
Answer Link
Аноним Аноним
  • 04-08-2015
solve your equation step-by-step.

25x2+5x−12=0

Factor left side of equation.

(5x−3)(5x+4)=0

Set factors equal to 0.

5x−3=0 or 5x+4=0

x=3/5 or x=−4/5

Answer Link

Otras preguntas

Write 75 as the product of its prime factors. (2 marks)
why do the two elements silver and iron have different properties?
two forms of solid carbon diamond and graphite different in their physical properties due to the differences in their
why are quebec and ontario known as canadas economic heart
Ramiro is 3/10 as tall as the flagpole. The flagpole is 5/9 as tall as the nearby tree. The tree is 32 2/5 feet tall. How tall is Ramiro?
What is being personified in the following passage? Fear had settled over the city.
describe the solutions of 4 < n+2 in words but solve it first please!
Why is India considered a subcontinent
when you flick a coin so that it slides across a table, it slows down. what is the name of the force that slows it down
How many counting numbers are between 30 and 65, not including 30 and 65?