Posted by De'Ann on Sunday, July 27, 2008 at 2:57pm.
It's easier to answer if you write it algebraically. Note that
x^2-49 = (x+7)(x-7)
Note also that dividing by
(x^2-49)^-1 is the same as multiplying by (x^2 -49) or(x+7)(x-7)
Therefore
1/(x+7)^2 * (x+7)(x-7) = (x-7)/(x+7)
Related Questions
dividing monomials - this is the problem: 7a(-2)power b (-4)power c (-5)power ...
dividing monomials - i dont know what to do when their is a smaller number on ...
8th Clinton Junior High School - What is the Dividing Power of 12 a to the 2nd ...
math - what is (x to the 3rd power + x to the 2nd power) divided by ((x+4)(X-4...
Algebra - Factor each of following expressions x (4th power) - x (3rd power) - ...
Math 8R - Help!!!!!!!! - The expression 2(8a to the 2nd power + a - 1) + 3(a + 3...
Math - I need help with these questions: Copy the equations. Add brakcets to ...
math - The question that have is to simplify and write the answer in ...
college - let i = the square root of -1 with i to the 1st power =i, i to the 2nd...
Math - 15x to the 8 power x y to the 2nd power divided by 15x to the 6th power y...
For Further Reading
