feliciamaishakujo feliciamaishakujo

03-09-2020
Mathematics

contestada

Which is a factor of 5x2 − 15x − 20?

Respuesta :

julie005 julie005

06-09-2020

Answer:

x= -1, x=4

Step-by-step explanation:

5x²-15x-20

5x²-20x+5x-20=0

5x(x-4) +5(x-4)

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

5x=-5 or x=4

x= -5/5. or x=4

x= -1 or x=4

Answer Link

Otras preguntas

I have a DBA for keyboarding coming up and I am nervous. Any tips or pointers?

What is the range of these numbers? 1,33,54,65,78,79,79,80,83,87,87,87,88 Find the range SHOW YOUR WORK!

1. According to the Proportional Angle Bisectors Theorem, which of the proportions is true about similar triangles JKL and MNP? KH/HL = PQ/QN JH

Farmer Fred went to market to sell 51 animals. He sold each pig for $10, each cow for $20 and each chicken for $5. Happy and exhausted he returned home with $50

in order to break down a molecule, you must a. add salt. b. physically separate them. c. break chemical bonds.

A survey indicated that 3 out of 5 doctors use brand X aspirin. If 2000 doctors were surveyed, how many used brand X?

Which act was passed in the late 1800s to exclude an entire ethnic group? -Curtis Act -Townshend Act -Chinese Exclusion Act -Civil Rights Act

help? how do I solve these problems? ??

where are blood cells produced? in the periosteum in the haversian canals in the bone marrow in the ligaments

when energy increases, particle motion a. stays the same. b. decreases. c. increases.