How do you add these polynomials?
(2x² - 11x) + (3x² + 10x - 4)
Solve the inequality:
15x - 35 > 5(2x - 11)
Two trains leave a station at the same time, heading in opposite directions. One train is traveling at 80 km/h, the other at 90 km/h. How long will it be for the trains to be 425 km apart?
What is the simplified square root of 10√96?
If the length of a rectangle is 7 more than the width of the rectangle and the area is 60ft², find the perimeter of the rectangle.
How do you solve this equation?
5 + 40x = -80x²