The value of the polynomial $3 x - 3 x^{2} + 18$ , when $x = - 2$ is _____.

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Solution

The correct option is D
$0$
Given $p (x) = 3 x - 3 x^{2} + 18$ ...(i)
On putting $x = - 2$ in eq.(i) we get,
$P (- 2) = 3 (- 2) - 3 (- 2)^{2} + 18$
$P (- 2) = - 6 - 12 + 18 = 0$

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Similar questions

Q. The value of the polynomial

3 x - 3 x^{2} + 18

, when

x = - 2

is _____.

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(b) −x³ − 3x² − 3x − 5
(c) −x³ + 3x² − 3x + 5
(d) x³ − 3x² − 3x + 5

Find the remainder when the polynomial $x^{3} + 3 x^{2} + 3 x + 1$ is divided by
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Q. When the polynomial

2 x^{3} + 3 x^{2} + 3 x - a

is divided by

x^{2} - 1,

then the value of (a + b) is

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The value of the polynomial 3x – 3x2+18, when x=−2 is _____.

The correct option is D ​​​​​​​ 0Given p(x)=3x – 3x2+18 ...(i) On putting x=−2 in eq.(i) we get, P(−2)=3(−2)−3(−2)2+18 P(−2)=−6−12+18=0

The value of the polynomial $3 x - 3 x^{2} + 18$ , when $x = - 2$ is _____.

The correct option is D
$0$
Given $p (x) = 3 x - 3 x^{2} + 18$ ...(i)
On putting $x = - 2$ in eq.(i) we get,
$P (- 2) = 3 (- 2) - 3 (- 2)^{2} + 18$
$P (- 2) = - 6 - 12 + 18 = 0$