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Q: If 3x equals 81 what is the value of x3?

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3 ln(x) = ln(3x)ln(x3) = ln(3x)x3 = 3xx2 = 3x = sqrt(3)x = 1.732 (rounded)

2x3 - 7 + 5x - x3 + 3x - x3 = 8x - 7

3x=50

5

x=4.

x3 + 2x2 - 3x - 6 = (x2 - 3)(x + 2)

3 - 3x + x2 - x3 = (1 - x)(x2 + 3)

x3 + x2 - 3x - 3 x(x2 + x - 3) - 3

(x3 + 4x2 - 3x - 12)/(x2 - 3) = x + 4(multiply x2 - 3 by x, and subtract the product from the dividend)1. x(x2 - 3) = x3 - 3x = x3 + 0x2 - 3x2. (x3 + 4x2 - 3x - 12) - (x3 + 0x2 - 3x) = x3 + 4x2 - 3x - 12 - x3 + 3x = 4x2 - 12(multiply x2 - 3 by 4, and subtract the product from 4x2 - 12)1. 4x(x - 3) = 4x2 - 12 = 4x2 - 122. (4x2 - 12) - (4x2 - 12) = 4x2 - 12 - 4x2 + 12 = 0(remainder)

x3+3x2+3x+2 divided by x+2 equals x2+x+1

(a) y = -3x + 1

The math problem X3 times 64/334 equals 4/7. Getting this answer you will first have to find the value of X.

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