Question

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The product of two consecutive even integers is 8. Find the integers.

Note: each set of brackets represents one solution

Answer 1

2 and 4

Explanation:

you can just try and u'll get 2 and 4

Answer 2

• -4 and -2 or 2 and 4

Explanation:

Let the integers be x and x+2

Then we have:

• x(x+2) = 8
• x^2 + 2x = 8
• x^2 + 2x + 1 = 9
• (x + 1)^2 = 3^2
• x + 1 = ± 3
• x = -1 ± 3
• x = -4 and x = 2

The numbers are:

• -4 and -2 or 2 and 4