If $p = - 2$ , find the value of $- 3 p^{2} + 4 p + 7$ .

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Solution

$p = - 2$
$- 3 p^{2} + 4 p + 7 = - 3 (4) + 4 (- 2) + 7$
$= - 12 + (- 8) + 7$
$= - 20 + 7 = - 13$

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Similar questions

p = - 2

- 2 p^{3} - 3 p^{2} + 4 p + 7

If p = −2, find the value of:

(i) 4p + 7

(ii) −3p² + 4p + 7

(iii) −2p³ − 3p² + 4p + 7

Question 2 (ii)

If p = -2, find the value of:
$- 3 p^{2} + 4 p + 7$

p = - 2,

4 p + 7

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