Is 4x(2x+5z) expanded: 10x+20z?
Is 6x+18z factorised: 3(2x+6z)
Is 5a+12b+9c = 5a+3(6b+3c)
Is 10f x 4g? 40f 40g
Is this True or False? (5x+6y)(x+2y) = 5x+15xy+12y