x+y = 30
xy = 176
from the firs: y = 30-x
x(30-x) = 176
30x - x^2 - 176 = 0
x^2 - 30x + 176 = 0
hint: it factors, if you can't find the factors, use the quadratic formula.
The sum of two numbers is 30. Their product is 176. What are two numbers?
3 answers
30
8 22