Question

What must be added to x^2+4x+1 to make it a perfect square

Answer 1

Step-by-step explanation:

4x²+8 I hope that it may help u....

Answer 2

Answer:

Answer is 3

x²+4x+1+3 = x²+4x+4

x² = x × x

4 = 2 × 2

so, it can be written as ( a+b )²

( x +2 )² , that means ( x+2) × (x +2)

x+2 is the square root of x²+4x+4