Step-by-step explanation:
x² - 14x - 51 = 0
(x² - 17x) + (3x - 51) = 0
x(x - 17) + 3(x - 17) = 0
(x + 3) (x - 17) = 0
x + 3 = 0 eq1
x = 0 - 3
x = -3
x - 17 = 0 eq1
x = 0 + 17
x = 17
Answer:
if the biker keeps a continuos rate he should go 39600 feet in an hour
x20 you just have to add the up
Answer: He earns $480.
18h + 100p
18(10) + 100(3)
180 + 300
480
