10x² + 10xy + 5x + 5y = 5(2x² + 2xy + x + y)10x² + 10xy + 5x + 5y = 5(2x(x+y) + (x+y))10x² + 10xy + 5x + 5y = 5(2x+1)(x+y)
10x² + 10xy + 5x + 5y = 5(2x² + 2xy + x + y)
10x² + 10xy + 5x + 5y = 5(2x(x+y) + (x+y))
10x² + 10xy + 5x + 5y = 5(2x+1)(x+y)