Question

Ayudename . (x+3)²-(x+2)(x-2) se reduce. A mx+n. Halla. m+n.

Answer 1

 (x+3)² - (x+2)(x-2) 

$x^{2} +6x + 9 - ( x^{2} -4)$

$x^{2} +6x + 9 - x^{2} + 4$

6x + 13  = mx + n

m = 6

n =13

m+n = 6+13 = 19