Question

i need help factoring thie expression by difference of squares a^2 + 4a + 4 - b^2

Answer 1

\[a^2-4a+4=(a-2)^2\]

Answer 2

Does that help?

Answer 3

ya but how do u type out (a-2)2

Answer 4

Use the equation button below the box

Answer 5

i mean what would be the long form of (a-2)^2

Answer 6

\[[(a-2)^2]-b^2=[(a-2)+b][(a-2)-b]\]

Answer 7

The expanded form of (a-2)^2 is a^2-4a+4.
Remember?? That is what we had before we factored it.

Answer 8

ook