Answer:
what is the question?
Step-by-step explanation:
15:45 in simplest form is 1:3
the LCM of 15 and 45 is 15, and when you divide both by 15, you get 1:3
Answer:
x = 31, x = 19
Step-by-step explanation:

Answer:
Step-by-step explanation:
x²-x-30=0
x² - 6x + 5x - 30 = 0
(x² - 6x) + (5x - 30) = 0
x(x - 6) + 5(x - 6) = 0
(x + 5)(x - 6) = 0
x + 5 = 0 or x - 6 = 0
x = -5 or x = 6