momentum90
momentum90 momentum90
  • 11-03-2019
  • Mathematics
contestada

Please help me fast

Please help me fast class=

Respuesta :

choixongdong
choixongdong choixongdong
  • 11-03-2019

Answer:

a) Should that 2x^2 + 3x - 20 = 0

Answer is YES

Step-by-step explanation:

30 = 1/2[4(x - 1) (2x+5)]

30 =2(x - 1) (2x+5)

30 = 2(2x^2 + 5x - 2x - 5)

30 = 2(2x^2 + 3x - 5)

15 = 2x^2 + 3x - 5

2x^2 + 3x - 20 = 0

a) Should that 2x^2 + 3x - 20 = 0

Answer is YES

Answer Link

Otras preguntas

What is the standard equation of this hyperbola?4x2 = 36 + 9y2
Name two metals alloyed with iron to make stainless steel.
why it is advise to clean the ends of connecting wires before connecting them?
Did Spain conquer the Incas and Aztecs for gold?
When do you think that the Silver American Eagle will peak again, like it did in 2011? Do you think it would go back up? And how much do you think it will be wo
can you tell me what is papyrus?
can you tell me what is papyrus?
Name two metals alloyed with iron to make stainless steel.
A gourment shop wants to mix coffe beans that cost $3.00 per pound with coffe beans that cost $4.25 per pound to create 25 pounds of a new blend that cost $3.50
What is NADPH2 ? where is it used?