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

Many wars occurred in the ancient land of Canaan. Why was the region so frequently fought over?
If x=2a-b2 then a =
explain how inflation flattens the universe
Sandy has several pictures of to hold lemonade for the school bake sale two pictures can hold 64 ounces each and four pictures can hold 48 ounces each how many
Why was a union victory at Vicksburg so important for the north
-x - 2 = -44 + 5 Not sure how to do this
solve 7(z +2) - 3z =44
i want to send a letter i go to artinya
share 56 in the ratio of 1:3:4
Which of the following statements is FALSE? bullying does not take the form of harassment assertive refusal helps resist peer pressure developing your identity