Calculus 3 in Three Minutes!!

[@harpreetsamra2620]

Question on the integral part the first example 9x÷2 -45÷2 -×÷2-5÷2 how does it equal 4x-20

[@jason-zz9pr]

Combine like terms and you get 8x/2 - 40/2 then simplify and you get 4x-20