The difference of two numbers is 2, and their product is 48. What are the two numbers?
Question
The difference of two numbers is 2, and their product is 48. What are the two numbers?
Solution
Let's denote the two numbers as x and y.
From the problem, we have two equations:
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x - y = 2 (This is given by "the difference of two numbers is 2")
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xy = 48 (This is given by "their product is 48")
We can solve this system of equations step by step:
Step 1: Solve the first equation for x: x = y + 2
Step 2: Substitute x in the second equation: (y + 2)y = 48
Step 3: This simplifies to y^2 + 2y = 48
Step 4: Rearrange the equation to a standard quadratic form: y^2 + 2y - 48 = 0
Step 5: Factor the quadratic equation: (y - 6)(y + 8) = 0
Step 6: Solve for y: y = 6 or y = -8
Step 7: Substitute y back into the first equation to solve for x:
If y = 6, x = 6 + 2 = 8 If y = -8, x = -8 + 2 = -6
So, the two pairs of numbers that satisfy the conditions are (8, 6) and (-6, -8).
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