Multiply:
(5x-3)(x^3-5x+2)

a. 5x^4-3x^3-25x^2+25x-6
b. 5x^4-3x^3_25x^2-5x-6
c. 5x^3+22x^2-5x-6
d. 5x^3-28x^2+25x-6

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

5x−4≥12 or 12x+5≤−4 can you with this problem

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.