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

2-3 facts about Warsaw Pact

Write a complete reaction of succinic acid and acetic anhydride

find the amplitude, period, and phase shift of the function defined by: y=3-2cos(3x+pi)

Two diverging light rays, originating from the same point, have an angle of 5° between them. After the rays reflect from a plane mirror, what is the angle betwe

What was the South’s greatest concern when California applied for statehood?

write an equation that is perpendicular to the line y = 2x + 13?

I just need the equation on how to do it. I'm so lost :'( help please!!!!!!

You shoot an arrow set a target. The parabolic path of the arrow passes through the points shown in table. X. Y 30. 6 60. 7 100. 4 A. Find a quadratic function

You would expect a phosphorous-chlorine bond to be 1. nonpolar, with the neither end having a partial charge. 2. polar, with neither end having a partial charge

How would you define psychological realism?