Question

.

Fill in the blanks to find the difference in the expressions.
-2x+5
8
A
A x2+
С
X
B x +
11
x +4
X +3
x2 + 7x +
D

Answer 1

`(-2x+5)/(x+4) - (8)/(x+3)\\ \\= ((-2x+5)(x+3)-8(x+4))/((x+4)(x+3))\\\\=(-2x^2-6x+5x+15 -8x -32)/(x^2+3x+4x+12)\\\\=(-2x^2-9x-17)/(x^2+7x+12)\\\\\\=(-2x^2+(-9)x +(-17))/(x^2+7x+12)\\\\\text{Hence, }~ A=-2,~ B=-9, ~C=-17, ~D=12`