yagurllexi
yagurllexi yagurllexi
  • 24-09-2017
  • Mathematics
contestada

Do I set the equation up like this and then multiply the 2 on everything?

Do I set the equation up like this and then multiply the 2 on everything class=

Respuesta :

Аноним Аноним
  • 24-09-2017
No no need to  take out the 2 
You can factor this by using the ac method

2x^2 + 3x - 5 = 0

multiplying the first and last coefficients 2 * -5 = -10
Now we want to get 2 factors of -10  which will give us  +3 when added:-
+5 and -2  seem ok so we write:-

2x^2 - 2x + 5x - 5 = 0

2x(x - 1) + 5 (x - 1) =0

(2x + 5)(x - 1) = 0

Solution is   x = -5/2  and x = 1
Answer Link

Otras preguntas

A painting is on sale at 50% off. The sale price is $320. What was the original price?
What is the significance of the Venus figurines ?
What is natural transmutation?
What are multiples of 88?
I need help to find out the foreshadowing in the story amigo brothers please help me out???????
what is eight decreased by 3 times a number equals 2
A lab technician has 680ml of solution of water and acid, 3% is acid how many millimeters  are acid? water? can someone please explain step by step to solve thi
what is the gcf of 54 and 90
Find the equation of the line parallel to y=1/3x-12 and passing through (0,-9)
What are multiples of 88?