Question

exercise 12.3

If p = -2, find the value of:

(i) 4p + 7
(ii) -3p2 + 4p + 7
(iii) -2p3 – 3p2 + 4p + 7


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Answer 1

Answer:

a)put p=-2

4(-2)+7

=-8+7=-7

b)put p=-2

-3(-2)*2+4(-2)+7

-3(4)-8+7

-12-8+7

-20+7=-13

c)put p=-2

-2(-2]*3-3(-2)*2+4(-2)+7

-2(-8)-3(4)-8+7

+16-12-8+7

4-8+7

-4+7=3

hpe it will help you

Answer 2

Answer:

the answer is -1, 11, 27

Step-by-step explanation:

I hope it will help you