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If p=-2,find the value of : (i) 4p+7 ...

If `p=-2,`find the value of : (i) `4p+7` (ii) `-3p^2+4p+7` (iii) `-2p^3-3p^2+4p+7`

Text Solution

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Given that, `p=-2`
(i) `4p+7=4(-2)+7`
`=-8+7`
`=-1`
(ii) `-3p^2+4p+7=-3(-2)^2+4(-2)+7`
`=-3(4)-8+7`
`=-12-8+7`
`=-12-1`
...
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