Factor 225x2 - 1. a) (15x +1)(15x + 1) b) (15x - 1)(15x + 1) c) (15x - 1)(15x - 1) d) (125x - 1)(125x + 1)

Four equations are shown below.equation 1: y=2*equation 2: y=2x-5equation 3: y=x2 + 6equation 4: tdentify one linear equation and one nonlinear equation from the list.why each equation you identified is linear or nonlinear.nd one nonlinear equation from the list. state a reasonlinear equation