Seudónimo Seudónimo
  • 12-08-2015
  • Mathematics
contestada

Solve the quadratic equation by factoring. 7x^2+2x=0

Respuesta :

Аноним Аноним
  • 12-08-2015
solve your equation step-by-step.

7x2+2x=0

Factor left side of equation.

x(7x+2)=0

Set factors equal to 0.

x=0 or 7x+2=0

x=0
or
x=−2/7

Answer Link
apologiabiology
apologiabiology apologiabiology
  • 12-08-2015
factor out the x in both termms
(x)(7x+2)=0
set each term to zero
x=0

7x+2=0
subtract 2
7x=-2
dvide 7
x=-2/7

x=0 or -2/7
Answer Link

Otras preguntas

2. Which system has an infinite number of solutions? a. x ÷ 2=y 4=2y - x b. 2y ÷ 6 = 4x -3 = y - 2x c. y ÷ 3 = 2x 4x = 2y - 3 d. y = 2x - 5 -2 = y - 2x
Correct 45.7395 to 3 decimal places
What is the prime factorization of 168? 22 x 32 x 5 34 x 7 22 x 17 23 x 3 x 7
Convert the measurement. 28.4 grams ≈ ounces
Earth's Interior Project: Earth's Layers Active In Progress Attempt 3 T Instructions Click the links to open the resources below. These resources will help you
Work out the missing value in the estimation below 235+680=200+
The genetic material of an organism has developed an error in replication, and this error is now part of the genotype in its gamete cells. What could happen to
What values x and y prove that triangles ABC ~= BAD?
Помогите пожалуйста найти срочно нужно даю 30 баллов
A line has a slope of and includes the points (7, u) and (2, -6). What is the value of u? U=