Question

Please ans fast please please

Answer 1

3) x^2+7x+12=0

x^2 + 3x+4x+12=0

x(x+3)+4(x+3)=0

(x+3)(x+4)=0

please follow me

Answer 2

Answer:

A(x+3) is the answer

Step-by-step explanation:

(A)x+3

the value of x+3 is given by

x=0-3

x=-3

put x=-3in eq.

=-3²+7(-3)+12=0

=9-21+12=0

=-12+12=0

=0=0

hence,(x+3) is the ans