in the expression x^4 - x^2 + x^3 + x^4 + x^2. WHY is it that when the (-x^2) ca

Question

in the expression x^4 - x^2 + x^3 + x^4 + x^2. WHY is it that when the (-x^2) cancles with x^2 both termscancel out. ISNT the negative sign on the term (-x^2) ON theImplied one and not the x^2 part, which means that the coiffcientsshould cancle out and the variable stays? in the expression x^4 - x^2 + x^3 + x^4 + x^2. WHY is it that when the (-x^2) cancles with x^2 both termscancel out. ISNT the negative sign on the term (-x^2) ON theImplied one and not the x^2 part, which means that the coiffcientsshould cancle out and the variable stays?

Explanation / Answer

If I'm understanding your question correctly, you would liketo know why -x2 + x2 =0 instead of -1 Try looking at a particular value, say x =3 then we have -32+32 = -9 + 9 =0 You might be thinking of what happens when you divide-x2 by x2 in this case you would be left with -1

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