Question

X^+4x+3=0 by completing the square

Answer 1

Answer:

answer is this question by a u abhi

Answer 2

Answer:

-1

Step-by-step explanation:

x²+4x+3=0

[x²+(2*2*x)+2²]-2²+3=0

(x+2)²-4+3=0

(x+2)²=1=1²

x+2=1

x= -1