1.

The difference of two positive numbers is 6. Their product is 216. Find the numbers.

Answer»

Let the numbers be x, x + 6 

Products : x (x+6) = 216

x2 + 6x = 216

x2 + 6x + 9 = 216 + 9 = 225

(x + 3)2 = 225

x + 3 = 15

x = 15 – 3 = 12

Numbers : 12, 18



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