Question

2 x cube minus 3 X square + a x + b if x=0 and -1​

Answer 1

Step-by-step explanation:

hope it will be helpful for u

Answer 2

Answer:

a=-5 b=0

Step-by-step explanation:

$2 {x}^{3} - 3 {x}^{2} + ax + b \\ \\ x = 0 \\ \\ 2{(0)}^{3} - 3 {(0)}^{2} + a(0) + b = 0 \\ \\ 0 + b = 0 \\ \\ b = 0 \\ \\ x = - 1 \\ \\ 2 {( - 1)}^{3} - 3 {( - 1)}^{2} + a( - 1) + 0 = 0 \\ \\ - 2 - 3 - a = 0 \\ \\ - 5 - a = 0 \\ \\ a = - 5$

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