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Mathematics
Rodney Miles
4 April, 18:04
Answer to ths equatii; - 3x=81.
show the work.
+3
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Emilio Mccoy
4 April, 18:34
0
I found: 9 x2 + 54x + 81
steps:
Your square can be "translated" as:
(3x+9) 2 = (3x+9) (3x+9) =
multiplying we get:
= (3x⋅3x) + (3x⋅9) + (9⋅3x) + (9⋅9) =
=9 x2 + 27x+27x+81=
and finally:
=9 x2 + 54x + 81
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Hector Cortez
4 April, 21:47
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-3x = 81.
Let's divide left and right by - 3 to isolate x.
-3x/-3 = 81/-3
Simplify:
x = - 27
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