Question

simplify:
see below>>>>>>>

Answer 1

\[(2x+\sqrt{5y})(2x-\sqrt{5y})\]

Answer 2

Please help!!!!!!!!

Answer 3

2x-5y??????

Answer 4

\[4x^2-5y ????\]

Answer 5

did anyone get that??

Answer 6

yup, that's how u rid radicals in a rational function. used in calculus to find limits.

Answer 7

also know as the conjugate.

Answer 8

thank you!!!!!!!!

Answer 9

whenever you have
(a+b)(a-b) you get (a^2 - b^2)