Answer:
-6
Step-by-step explanation:
So, this problem wants you to multiply 5x+1 with 2x-3 and place it in ax^2 + bx + c form and add a. b, and c all together.
So, let's start by multiplying the expressions together
( 5x + 1 )( 2x - 3 ) = 5x ( 2x - 3 ) + 1(2x - 3)
= 10x^2 - 15x + 2x -3
= 10x^2 - 13x -3
There, we have our answer of 10x^2 - 13x - 3
So, a = 10, b = -13, and c = -3
a + b + c = 10 -13 - 3
= -6
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