exam Maths Puzzle Numerical Ability

New Problem, Factor:

4 t2 + 20 t + 25

Read Solution (Total 0)

exam Other Question

I am having trouble with this homeowrk question which is due tomorrow: find all the zeros of the function
a)x^3_2x^2-2x-3
b)f(x)=6x^4-13x^3+13x-6 What is the derivative of 8x^3/2-12x^-1/2?
Answer is 8/15(5x-2)^3/2. Not sure how they got the answer. Please help.