Simplify $a (a^{2} + a + 1) + 5$ and find its value for a = 0

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Solution

The correct option is A 5
$a (a^{2} + a + 1) + 5$
$= a^{3} + a^{2} + a + 5$
At $a = 0$
$= 0^{3} + 0^{2} + 0 + 5$
$= 5$

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Similar questions

a (a^{2} + a + 1) + 5

a = - 1

a (a^{2} + a + 1) + 1

a = 1

Simplify $a (a^{2} + a + 1) + 5$ and find its value for (i) $a$ = $0$ , (ii) $a$ = $1$
(iii) $a$ = $- 1$

Question 4(b)
Simplify : $a (a^{2} + a + 1) + 5$ and find its value for (i) a=0 (ii) a=1 (iii) a=-1.

3 x (4 x - 5) + 3

x = 3

x = \frac{1}{2}

a (a^{2} + a + 1) + 5

a = 0

a = 1

a = - 1

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