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

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N = x4 x8 = x4+4 = (x4)2 = N2

Not necessarily.

No.

x^4-x^3+x

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

28 is.

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

One of anything plus another one of them is always two of the same thing.

7

yes

Yes.

It is an algebraic expression

-6x3 + 4x7 - 0.8x2 + x4 - 5x5 = 4x7 - 5x5 + x4 - 6x3 - 0.8x2 = x2 (4x5 - 5x3 + x2 - 6x - 0.8)

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

If the number is x, then the number multiplied by itself three times would be x4 ... so if the "given number" is y, then y = x4 and thus x is related to the "given number by x = y1/4 i.e. the quartic or fourth root of 4.

30 times 4 equals 120

9 x 4 = 36

It is: 1(x4+4y8) and can't be factored any further

if c = x2 then cx2 = x4

It's not, 4x4=16.

4 x4 x4=64 + 13=77- - 4=81+(14x14=196)=277

7

y=x+2if y=66=x+26-2=x4=xso x=4

If you mean -6+4x-5 then the given expression can be simplified to 4x-11 and the unknown variable is x

The browser used by this site for posting questions is rubbish. We have complained about it but the powers that be are not doing anything about it. The consequence is that most mathematical symbols are not accepted and so all that I can see is of your question is:"If 4 plus x4 3 plus yy then x4 3y?"It is difficult to be sure, but making an informed guess as to what might be missing, I would say that the answer is NO. There is no solution for y.