Subtract -6x^4-3x^2y^2+5y^4−6x

4

−3x

2

y

2

+5y

4

minus, 6, x, start superscript, 4, end superscript, minus, 3, x, squared, y, squared, plus, 5, y, start superscript, 4, end superscript from 2x^4-8x^2y^2-y^42x

4

−8x

2

y

2

−y

4