Question

What is the simplified form of x^2+6x+8 over 4-x^2

Answer 1

Click on Bump it will go up :)

Answer 2

\[\huge x^2+6x+8 \over \huge4-x^2\]

Answer 3

Way to factor the two expressions:

x^2+6x+8
= x^2 + 2x + 4x + 8
= x(x+2) + 4(x+2)
= (x+4)(x+2)

4-x^2
=2^2 - x^2
Use the identity a^b - b^2 = (a+b)(a-b)
= (2-x)(2+x)