xxchaoscarynexx
xxchaoscarynexx xxchaoscarynexx
  • 29-05-2017
  • Mathematics
contestada

What are the solutions of 6x2 + 2x – 20 = 0? x = x =

Respuesta :

tramserran
tramserran tramserran
  • 24-08-2018

6x² + 2x - 20 = 0

3(2x² + x - 10) = 0

3[(2x² - 4x + 5x - 10)] = 0

3[2x(x - 2) + 5(x - 2)] = 0

3(2x + 5)(x - 2) = 0

3=0, 2x + 5 = 0, x - 2 = 0 (Note: 3=0 is false so disregard that equation)

x = [tex] \frac{-5}{2} [/tex] , x = 2

Answer: x = {[tex] \frac{-5}{2} [/tex], 2}



Answer Link

Otras preguntas

Giving brainlyist to the first person with a complete and correct answer
the length of a rectangle is thrice it's breadth. find the length and breadth if there perimeter is 88​
The food chain below is a partial model of how matter and energy move through an ecosystem. 1) Matter recycles within an ecosystem. When an organism is consumed
Go right now or you will be late for the train. Rewrite it in to if clause.
Cuba is an example of which kind of country? a) communist b) fascist c) democratic d) multi-party​
People use money as a store of value when they: Group of answer choices use money to buy goods and services. use money as a measure of economic transactions. ho
How did medgar Evers impacted people life’s??
please can someone help me with this please​
Which graph correctly shows the relationship between an object’s height from the ground and its gravitational potential energy (pe)?.
Find the value of a, b, and c.