dani04903 dani04903
  • 04-04-2020
  • Mathematics
contestada

Solve 2x^2 + 6x = 36 by graphing the related function.

Respuesta :

austyngranberry
austyngranberry austyngranberry
  • 04-04-2020
Sorry I can’t help but yea
Answer Link
Officialalehpeter
Officialalehpeter Officialalehpeter
  • 04-04-2020

Answer: 3 or -6

Step-by-step explanation:

2x2+6x=36

Collect like terms

2x2+6x-36=0

Divide all by 2

X2+3x-18=0

Factorise

Factors of -18 that will give +3 is +6&-3

X2+6x-3x-18=0

X(x+6)-3(x+6)=0

(X-3)(x+6)=0

X-3=0

X=3

X+6=0

X= -6

X= 3 or -6

Answer Link

Otras preguntas

what is a sonic boom
What is the difference in time between crossing a bridge that is 2,737 meters long at an average speed of 322 meters per minute and in crossing the same bridge
What is a hydrocarbon?
Algebra 2. Help please! Explain why log₀3 and log₁3 do not exist.
How do I find the sine
Is a summer sausage a element compound or a mixture ?
Oliver read for 450 minutes this month. His goal is to read for 10% more minutes next month.
Jasmine is saving up to buy an iPad. She already has $60 in her saving account. She saves an additional $20 every day. Write an equation that can be used to det
Read the excerpt from Mark Twain's memoir, Life on the Mississippi. I was quaking from head to foot, and I could have hung my hat on my eyes, they stuck out so
The local Walmart sold 67 televisions on Tuesday, 79 televisions on Wednesday, 195 televisions on Saturday, and 82 televisions on Sunday. How many televisions w