3y^2(5y + 2)
-3
2(3y + 1)(y - 2)
2X - 5Y = 2- 5Y = - 2X + 2Y = (2/5)X - 2/5==================
5y+8=7y subtract 5y from each side , 5y+8=7y -5y -5y 8=2y /2 /2 4=y
3y^2(5y + 2)
-3
2(3y + 1)(y - 2)
20x2 + 22xy + 6y2 = 20x2 + 10xy + 12xy + 6y2 = 10x(2x + y) + 6y(2x + y) = (2x + y)(10x + 6y) = 2(2x + y)(5x + 3y)
5y-3y = 2
5y-2y= 3y+2 5y-2y-3y= 2 0y= 2
2X - 5Y = 2- 5Y = - 2X + 2Y = (2/5)X - 2/5==================
5y+8=7y subtract 5y from each side , 5y+8=7y -5y -5y 8=2y /2 /2 4=y
25y2 - 49w2 = (5y)2 - (7w)2 = (5y - 7w)(5y + 7w)
(5y - 2)(5y + 2)
7
5y + 7 = 25y = -5y = -1