Algebramedium · Past Paper
The product of two consecutive even numbers is 168. Find the numbers.
A10, 12
B12, 14
C14, 16
D16, 18
✓ Correct Answer: B — 12, 14
x(x+2) = 168 → x^2 + 2x - 168 = 0. Factors of 168 that differ by 2 are 12 and 14.
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