Who can help me with these math activities
Reduce the following
similar terms: 1) 3a⁵ + 4m⁴n³-16a⁴b-12m⁴n³ + 7a⁵-21a⁴b + 3ab⁴ + 8m³n⁴
2) 17x³ + 2x²y-6xy² + 9x⁴y-3x²y + x³-8x⁴y-5xy²
Multiply the following algebraic terms:
1) 3x⁵y⁴ + 12x⁴y³-8x³y²for 7x⁷-13x⁶y-9x⁵y²
2) 6a³-27a²b + 16ab²por 12a⁵y-5a⁴y² + 7a³y³
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