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

2 issues in sports that can impede nation building
what is 5/6 divided bytes 1/2
Japan exercised its newfound military might when it invaded a. Manchuria b. China c. Korea d. Russia
there are 16 seats in each row of a theater.there are 32 rows in all.which expression would you use to find the number of seats in the theater.
Acme Inc. spent $840 less on postage than on supplies. The ratio of postage costs to supply costs was 2 to 5. How much did Acme spend on postage? Solve this pro
Maria and Ming start at the same point and drive in opposite directions. Maria drives 48 mph and Ming drives 34 mph. How far apart will they be in 2 hours? A. 1
The study of how organisms are classified is known as
One third of a bird's eggs hatched. If 2 eggs hatched, how many eggs did the bird lay?
what is 17/15 as a mixed number and 2 31/18
Skimming is most effective when