Question

Can someone do 18 and 19 please!!! i have to submit soon

Answer 1

18) x - 64x³ = x(1 - 64x²) = x(1 - 8x)(1 + 8x)

19)

`{27}^(2x + 1) = {27}^(2x) 27 = { ({3}^(3)) }^(2x) ( {3}^(3)) = {3}^(6x + 3)`

`y = 6x + 3`