First the power will be taken into account: multiply by 10 and take one away from the power: y = 10(3x-1)^9 2) Then we will differentiate what is in the brackets and multiply it by step 1: y = (3x-1)dy/dx = 3 10(3x-1)^9 multiplied by 3 Therefore the answer is: 30(3x-1)^9