Question

x2+ 4x +3=0

i need a help​

Answer 1

Answer:

Step-by-step explanation:

x2 + 4x +3

x2 + x + 3x +3

x(x+1) + 3(x+1)

(x+1)(x+3)

x = -1 or -3

Answer 2

Step-by-step explanation:

x2+4x+3=0

x2 +(3+1)x+3=0. {quadratic

x2+3x+x+3=0

x(x+3)+1(x+3)=0

(x+1)(x+3)=0

x=-1,-3.

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