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

Find the lateral surface area of the cylinder. Round your answer to the nearest tenth.Im not too sure how to do lateral surface area PLEASEEE help me!!! No link
The lens of a telescope has a diameter of 25 cm. You are using it to look at two stars that are 2 × 1017 m away from you and 6 × 109 m from each other. You are
GIVING BRAINIEST!!!!!!
Summarize of I have a dream poem ?
¿Qué sucede si una célula se encuentra en la fase G0 del ciclo celular? ¿qué células nunca salen de esta fase?
full meaning of NUPENG​
pls help asap What was the Soviet section of Germany after World War II? monarchy democracy totalitarian communist dictatorship
Solve for x (13x + 4)º 98
Factor completely x2 + 25. (1 point) O (x + 5)(x + 5) O (x + 5)(x - 5) O (x - 5)(x - 5) O Prime
advantages and disadvantages of proxemics​