hassanessam557 hassanessam557

01-09-2020
Mathematics

contestada

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

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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

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