katelynconley20 katelynconley20
  • 07-04-2017
  • Mathematics
contestada

solve for x. write both soultions separated by a comma
7x^2+5x-2=0

Respuesta :

SUSHIS0
SUSHIS0 SUSHIS0
  • 07-04-2017
x= 2/7, x= -1
hope this helps you.
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 07-04-2017
7 times -2=-14
7 and -2 adds to 5

7x²+7x-2x-2=0
(7x²+7x)+(-2x-2)=0
7x(x+1)-2(x+1)=0
undistribute
(7x-2)(x+1)=0

set to zero

7x-2=0
7x=2
x=2/7

x+1=0
x=-1

x=2/7,-1
Answer Link

Otras preguntas

Nick gets out of school at 2:25 p.m. He
What's -0.75p - 2 = 0.250
Write 2/3 and 3/4 as a pair of fractions with a common denominator
What is one of the primary differences between the illustrations of gustave dore and william blake
Federalists and Democratic How the parties were also similar?
A collective noun usually takes a _____.
Where was Austria-Hungary’s parliament located? a. Budapest c. Serbia b. Vienna d. Both a and b
Carla must ice a german chocolate cake. The diameter of the cake is 6 cm. Use the formula A = 3.14 x r2 to find the area of the cake.
The area of the brain involved in production of speech is
why are international organizations needed