Question

show that X + 1 and 2 x minus 3 are factors of 2 x cube minus 9 X square + X + 12​

Answer 1

Answer:

.,mkjhgfc vbnm,./

456214789652

Step-by-step explanation:

Answer 2

X +1 = 0

X = -1

2x³-9x²+X +12

2(-1)³-9(-1)²+(-1) + 12

-2-9-1+12

-12+12

0 = 0

2x-3 = 0

2x = 3

X = 3/2

2x³-9x²+X +12

2(3/2)³-8(3/2)²+(3/2)+12

54/8-72/4+3/2+12

38.25