Question

Two numbers differ by 3. Their product
is 28. Find the numbers.

Answer 1

Two solutions (-4,-7) and (4,7)

Explanation:

x = y + 3

x*y = 28

(y+3)*y=28

y^2+3y-28=0

(y+7)(y-4)=0

y=-7, y=4

x=-4, x=7