The factorisation of 3 x^ 2 +10 x+8 is - Vidyadip

MCQ

The factorisation of $3 x^{2}+10 x+8$ is

✓
$(3 x+4)(x+2)$
B
$(3 x-4)(x-2)$
C
$(3 x+4)(x-2)$
D
$(3 x-4)(x+2)$

✓

Answer

Correct option: A.

$(3 x+4)(x+2)$

a
$3 x^{2}+10 x+8=3 x^{2}+6 x+4 x+8$
$=3 x(x+2)+4(x+2)$
$=(x+2)(3 x+4)$

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