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Q: What two numbers when added together equal 36 but when multiplied together equals 81?

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The numbers are: -25 and -30

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15.268 and 18.732

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7.5516 and 70.4484 (approx)

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The numbers are 10 and 5.2

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A number multiplied by itself added to itself equals 30. What are the two possible numbers?

8, 5 and 2

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4 - 4.898979*i and 4 + 4.898979*i (to 6 dp) where i is the imaginary square root of -1.

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-2 and -4 do that.

2+21=23 2*21=42 (* is another symbol for multiply)

4 and 15: 4 + 15 = 19 4 x 15 = 60

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The complex conjugate pair -4 Â± 6.325i where i is the imaginary square root of -1.

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