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1.
$(-5x^2 + 4y) + (3x^3 - 4x^2 - 2y) =$
• $3x^3 -9x^2 + 2y$
2.
$(7n^5-3n+4n^2)+(2n^2+5n^5+8n)$
• $12n^5+6n^2+5n$
3.
$(10p^4+p^3-4p^2-8)-(-12p^4+5p^3-2p+3)$
• $22p^4-4p^3-4p^2+2p-11$
4.
$(3x^2-4)+(4x^3+2x^2+4x)$
• $4x^3+5x^2+4x-4$
5.
Subtract the following polynomials:
$(5x^3-3x^2-2)-(4x^3-x^2-2x+5)$
• $x^3-2x^2+2x-7$
6.
Subtract. $(7a^2 - 3a) - (5a^2 - 5a)$
1. $2a^2 - 8a$
2. $2a^2 + 2a$
3. $4$
4. $12a^2 - 8a$
7.

$(x^3y^2+2x^2y^3-5xy-4)+(x^2y^3-4x^3y^2+2xy+2)$
• $-3x^3y^2+3x^2y^3-3xy-2$
8.
$(-4m - n) - (2m + 3n)$
• -6m - 4n
9.
Subtract and write the resulting polynomial in descending order of degree.

$(10y+13)-(-6y+9)$
1. $16y+22$
2. $20y$
3. $-16y-4$
4. $16y+4$
10.
$17a^3b^4 - 12ab^3 - 6a^3b^4 + 15ab^3$
1. $11a^3b^4 + 3ab^3$
2. $5a^3b^4 + 3ab^3$
3. $23a^3b^4 + 27ab^3$
4. $23a^3b^4 + 3ab^3$
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