Answer:
Step-by-step explanation:
√(4x²+8x+4)
factorizing the function inside the root
4x²+8x+4 divide through by 4
x²+2x+1
x²+x+x+1
x(x+1)+1(x+1)
(x+1)(x+1)
(x+1)²
√(x+1)² the square will cancel the root (½*2)
X+1