hassanessam557 hassanessam557

01-09-2020
Mathematics

contestada

if ( 3x + 2) (5x + 1) = ax2 + bx + 2
What is the value of a - b ?

Respuesta :

opebiyifunmilola opebiyifunmilola

01-09-2020

a - b= 2

Step-by-step explanation:

expanding the brackets

we have 15x^2+13x+2

a= 15 b= 13

thus, a-b =15-13

=2

Answer Link

Otras preguntas

Please help! I am making a two mediums essay on the short story the most dangerous game. Do you know what I can write about for this essay?

Represent 1/3 and 5/2 on the same number line.

The data represent the results for a test for a certain disease. Assume one individual from the group is randomly selected. Find the probability of getting some

A chemist needs 120 milliliters of a 33% solution but has only 13% and 73% solutions available. Find how many milliliters of each that should be mixed to get t

The number of hours worked per year per person in a state is normally distributed with a standard deviation of 39. A sample of 15 people is selected at random,

Ford Motor Company has issued 8% convertible debentures, convertible at a 10:1 ratio. Currently the debenture is trading at 94. The stock is trading at $80. Wha

Alcohol may act as a____ in the fiat hours consumption ,but is actually a depressant

the skateboard Rita would like to buy cost $6 less than three times the amount she has saved the skateboard cost $69 how much does Rita have to save? Choose the

I couldn’t figure it out , please me .

math question pls answer