I will give a brainiest... Please help

1) What is the product of 2x-4 and 3x^2-x+4? Write your answer in standard form.
Show your work.

2) What is the product of -2x^3+x-5 and x^3-3x-4?
Show your work.

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2