the area of a rectangular swimming pool is 10x^{2}-19x-15. The length of the pool is 5x + 3. Whats the width of the pool?

3 answers

width of the pool = 10x - 18
WRONG!!

(10x^2 - 19x - 15) รท (5x + 3) = (2x - 5) , not 10x - 18
AAAaannndd the bot gets it wrong yet again!

well, 10x^2-19x-15 = (5x+3)(2x-5) so ...