Question

8. p(r) = 2r cube + r square- 15r - 12, g(r) = x + 2.​

Answer 1

Answer:

$6 \: is \: the \: answer$

Step-by-step explanation:

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2. Mark as BRAINLIST answer

Answer 2

Step-by-step explanation:

p(r) = 2r^3 + r^2 - 15r - 12

g(r) = x + 2

Using Remainder theorem,

x + 2 = 0

x = -2

Put r = -2 in p(r).

= 2(-2)^3 + (-2)^2 - 15(-2) -12

= 2(-8) + 4 + 30 - 12

= -16 + 4 + 30 - 12

= -28 + 34

= 6 = Remainder