Question

$x2 + 5x + 6$
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Answer 1

x^2 +5x +6

=>>> x^2'+2x +3x +6

=>>>> x(x+2)+ 3(x+2)

=>>>> (x+3) (x+2)

=>>> x+3= 0 & x+2= 0

=>>> x=-3 & x= -2 ans

Answer 2

${x}^{2} + 5x + 6$

${x}^{2} + (3x + 2x) + 6$

${x}^{2} + 3x + 2x + 6 \\ x(x + 3) + 2(x + 3) \\ (x + 3)(x + 2)$

if x+3=0

then :-

x+5=0

x=-5

if x+2=0

then:-

x+2=0

x=-2

I hope it help you

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thanks for asking....