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

How many yards are in 96 inches by 30 feet?
If the slope is 3 what does it represent using this table
A car travels about 25 miles on 1 gallon of gas. About how far can the car travel on 8 gallons of gas?
किसी ज्यूस या मोबाइल फ़ोन के लिए 20-30 शब्दों में विज्ञापन तैयार कीजिए । pls answer the questions pls do not the translate the question and answer I want the an
can you pleasee help me​
3-x2/8+x2=-3/4 pls help me​
How essential is the policy to the success of a country? On a government level, how does the policymaking work in pakistan?
In 1910, MOST of the world's population
which number can be added to a rational number to epxlain that the sum of two rational numbers is rational
Which of the following statement correctly identifies how a genetic mutation can affect an organism? Question 3 options: Mutations have no affect on organisms a