Yney2000id Yney2000id Matemáticas contestada M= (x+5)² - (x-5)² + 3 + 20x N=(a+3)² –(a-3)² -10a e= (x+2)²-(x-2)²-8x a= (2a+b)²-(2a-b)² 2(2ab) b=(x+3)²-(x-3)²c= (x+3)²+(x-3)²D= (a+1)²+(a-1)²E= (a+1)²-(a-1)²F=(x+5)²+(x-5)²g= (3x+2)²-(3x-2)²H= (x³+3)²+(x³-3)²i= (x/2+1)²-(x/2-1)²