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Q: What is the solutions to y plus 2 squared minus 81?

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78 minus78

One: 81 squared = 81^2 = 6561

9x2 - 6xy + y2 - 81 = (3x - y)2 - 81 = (3x - y - 9)*(3x - y + 9)

9x2 - 6xy + y2 - 81 = (3x - y)2 - 92 = (3x - y - 9)(3x - y + 9)

The answer? There is no "answer" There cannot be an answer because they are all different. In order to make calculations, the variables have to be the same. x squared, xy, y squared are the variables, and none of them match. Therefore your "answer" must look like this: 9x squared - 6xy + y squared - 81. Hope I Helped :D

(2x - 9)(2x - 9) or (2x - 9)2

Type your answer here... 81

x = plus or minus two thirds

36 + 42 - 6 + 28 - 43 + 81 - 6 = 132

81 x 2 - 16 = 146

x2-81 = (x-9)(x+9)

(9x)2 +9x/(45x)2 +81= 9+9x/86

(9 - 5u)(9 + 5u)

I believe it is prime as you have written it. change the end to + 81 and it factors as (2x - 1)(x-9)(x+9)

-4 plus 85x81 is equal to 6,881.

9 squared equals 81.

(2x - 9)(2x +9)

Â±9 (plus or minus 9).

The square root of 81 squared is 81.

V= 47. 81 + 47 - 13= 47.

Yes. Nice work!

29 minus 81 is -52.

81 minus 86 = -5

9 x 9 = 81 9 squared = 81 3 squared times 3 squared = 81

9 Squared is 81.Squared means to times a number by itself so..... 9 squared = 9x9 = 81!