Question

Simplify (2/5+3/7)^2. show your work

/ = square root. sorry I'm on my computer and cant find square root.

Answer 1

Pemdas Is Importent For This. Okay, 2*2*2*2*2 Is 32.  3*3*3*3*3*3*3 Is 2187. Now, We Add. 32+2187 Is 2219. There You Go. :)

Answer 2

(2√5+3√7)²=(2√5)²+2*(2√5)*(3√7)+(3√7)²=4*5+12√35+9*7=20+12√35+63=
=83+12√35..