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Nick Keeling

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Q: How many solutions does x plus y equals 4 y equals -x-4?
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X4 equals 2x3 plus 1?

Not necessarily.


1 plus x plus x2 plus x3 plus x4 plus plus x24 equals 49x25?

No.


X4 plus x2 equals 1?

4X + 2x = 1. Where x = 0.166666666666666666666666666666666666666 recurring.


What is x if x4 equals 1?

a quarter or 0.25 =============================== If the question is trying to indicate ' x4 ' or "X to the fourth power", then there are four solutions. X = 1 X = -1 X = 1 + j X = 1 - j


X4-2x3 plus 2x2 plus x plus 4 divided by x2 plus x plus 1 solutions?

(x4 - 2x3 + 2x2 + x + 4) / (x2 + x + 1)You can work this out using long division:x2 - 3x + 4___________________________x2 + x + 1 ) x4 - 2x3 + 2x2 + x + 4x4 + x3 + x2-3x3 + x2 + x-3x3 - 3x2 - 3x4x2 + 4x + 44x2 + 4x + 40R∴ x4 - 2x3 + 2x2 + x + 4 = (x2 + x + 1)(x2 - 3x + 4)


What answer is equal to the sum in the expression below (3x3 plus 4x2 - 2x plus 1) plus (x4 - x3 plus 5x2 plus 2x plus 3)?

Answer this question…A. x4 + 2x3 + 9x2 + 4 B. x4 + 4x3 + 9x2 + 4 C. x4 + 2x3 + 9x2 + 4x + 4 D. x4 + 2x3 + 9x2 - 4x + 4


What is 7 x4 equals?

28 is.


What is x4-144 equals 0?

7


Is 9 x4 equals 36?

yes


How do you express x4 plus y4 if given x plus y equals a xy equals b?

(x + y)2 = x2 + 2xy + y2 So x2 + y2 = (x + y)2 - 2xy = a2 - 2b Then (x2 + y2)2 = x4 + 2x2y2 + y4 So x4 + y4 = (x2 + y2)2 - 2x2y2 = (a2 - 2b)2 - 2b2 = a4 - 4a2b + 4b2 - 2b2 = a4 - 4a2b + 2b2


Is x-2 a factor of fx equals -9 x4 plus 3 x3 - 7 x2 plus 7 x - 9?

If there is a remainder then it's not a factor otherwise yes


Is x4 plus x plus 6 a polynomial?

Yes.