1.

The square of a number is equal to thedifference of 11 times the number and 30.Find the number.​

Answer»

Step-by-step EXPLANATION:

It can be 5 or 6

because 11a - 30= a^2

(11a - a^2)=30

because 5 + 6 is 11

and 5 * 6 = 30

66 - 36 = 30

55 - 25 = 30



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