Math, asked by kiarasingh53, 1 year ago

- (x4 - 81) = (x3 + 3x2 + 9x + 27)

Answers

Answered by Joyce55

2

Answer:

-4x+81=3×+6+9x+27

-4x-3x-9x=27+6-81

-16x=33-81

-16x=-48

x=-48/-16

-&- gets canclelled

so ,x=3

hope it helps you

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