miaangluna
miaangluna miaangluna
  • 01-05-2019
  • Mathematics
contestada

Solve by factoring 3x^2-3x-60=0

Respuesta :

mathstudent55
mathstudent55 mathstudent55
  • 01-05-2019

Answer:

x = 5 or x = -4

Step-by-step explanation:

3x^2 - 3x - 60 = 0

Factor out 3 from the left side.

3(x^2 - x - 20) = 0

Divide both sides by 3.

x^2 - x - 20 = 0

Factor the trinomial.

(x - 5)(x + 4) = 0

x - 5 = 0 or x + 4 = 0

x = 5 or x = -4

Answer Link

Otras preguntas

40,583 in word format .......................................................... ......... .........
ball is dropped from rest at a height of 80m above ground. what is its speed just as it hits the ground.
the anti-federalist pushed for ?
is 7.031 greater than 7.03
Which is an everyday situation for the math expression with the context provided? 14 – g; comparing people's ages A. Jack is 14. Maura is g years younger than
Did Columbus reflect the values of the late 15th century Europe?
Why did northern industrialists favor protective tariffs? a. higher prices meant that companies earned higher profits. b. labor unions demanded tariffs because
Seven less than twice a number equals 19
The whole is 8. One part is 8. What is the other part? Tell how you know.
Cuneiform is a. a Sumerian form of writing b. a Persian invention c. a Lydian invention d. an Egyptian form of writing