Question

Find the quotient and remainder when 8x3 + 6x2 -15x - 9 is divided by 2x + 5

Answer 1

Answer:

2x+5)8x³+6x²-15x-9(4x²-7x+10

-(8x³+20x²)

-14x²-15x-9

-(14x²-35x)

20x-9

-(20x+50)

-59

therefore, quotient is 4x²-7x+10 and remainder is -59