Question

how do you find the lowest common denominator!? PLEASE HELP

7/x^2 +4x+4 , 5/4-x^2

Answer 1

Factor the bottom of the first fraction. Tell me what you get.

Answer 2

i do not know how to do any of this...

Answer 3

Do you know how to factor a polynomial? Like, \[x ^{2} + 2x +1 = (x+1)(x+1)\]

Answer 4

um.. no. i am terrible at math.
and my teacher is helping me.

Answer 5

Ok. Well, you need to know how to factor polynomials to do this problem. Do you know what FOILing is?

Answer 6

yes. i understand that .