Select the factors of $a^{2} + 7 a + 10$

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a+1

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a+2

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Solution

The correct options are
A
1

D
a+2

$a^{2} + 7 a + 10 = a^{2} + 5 a + 2 a + 10 = a (a + 5) + 2 (a + 5) = (a + 2) (a + 5)$

Thus, the factors of $a^{2} + 7 a + 10$ are $(a + 2)$ and $(a + 5)$ .

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Similar questions

Select the factors of $a^{2} + 7 a + 10$ .

7 a^{2} + 14 + \frac{7}{a^{2}}

Factorisation of $a^{2} + 7 a + 10$ gives:

Factorise $a^{2} + 7 a + 10$ + pa + 5p

Divide (a^{2} + 7 a + 10) by (a + 5) .

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