Question

what is the quotient?? (x^3 +7x^2 +5x-20) / (x+3) ... I know you would use synthetic division but i'm confused

Answer 1

you can use either synthethic or long division

Answer 2

1 7 5 -20
-3
_____________________________
1

Answer 3

-3 * 1 = -3

1 7 5 -20
-3 -3
_____________________________
1

Answer 4

7-3=4
1 7 5 -20
-3 -3
_____________________________
1 4

Answer 5

-3*4=-12

1 7 5 -20
-3 -3 -12
_____________________________
1 4

Answer 6

5-12=-7


1 7 5 -20
-3 -3 -12
_____________________________
1 4 -7

Answer 7

-3*-7=21
1 7 5 -20
-3 -3 -12 21
_____________________________
1 4 -7

Answer 8

21-20=1

1 7 5 -20
-3 -3 -12 21
_____________________________
1 4 -7 1

Answer 9

divide a polynomial of degree 3 by a poly of degree 1 get a poly of degree 2. your answer is
\[x^2+4x-7+\frac{1}{x+3}\]

Answer 10

thank you !!!!!!!!!!!!1