Question

Fractorise each of the following expressions completely..

3
$3n {}^{2} + 10n + 7$
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Answer 1

Question:-

• Factorise the following polynomial.

Solution:-

$\sf 3{x}^{2} + 10x + 7$

$\sf = 3 {x}^{2} + 3x + 7x + 7$

$\sf = 3x(x + 1) + 7(x + 1)$

$\sf = (3x + 7)(x + 1)$

Hence, the factorised form is (3x+7)(x+1)

Answer 2

Answer:

3n(n+1)+7(n+1)

Step-by-step explanation:

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