angel12322 angel12322
  • 01-10-2017
  • Mathematics
contestada

if (2x-3) and (x+5) are multiplied to form the trinomial ax^2 +bx+c, what is the value of b

Respuesta :

texaschic101
texaschic101 texaschic101
  • 01-10-2017
(x + 5)(2x - 3) =
x(2x - 3) + 5(2x - 3) =
2x^2 - 3x + 10x - 15 =
2x^2 + 7x - 15........so b = 7 <==
Answer Link
Аноним Аноним
  • 01-10-2017
b will be -3 + 2*5  = 7
Answer Link

Otras preguntas

what is the y intercept of f(x)=(1/2)^x?
Can someone explain this to me clearly plz
Read the excerpt from chapter 6 of Animal Farm.By the autumn the animals were tired but happy. They had had a hard year, and after the sale of part of the hay a
What are the reasons that some Europeans moved and began colonizing the New World? Select all that apply: options: Better economic opportunities. Some were esca
What does avenged mean?
Need help finding this answer
Rehearsals are the time for an actor to experiment and make discoveries true or false
I have this math question 2/3 ÷2 1/10=
Was an early church leader as well as a philosopher of his day
What are “like terms”? Why can we only add like terms?