-3a²b⁴*3a²b⁵=-93a⁴b⁹
(-4a²b⁶)³=-64*a⁶b¹⁸
5x²+6x-3-2x²+3x+4=3x²+9x+1
4⁶*2⁹/32⁴=(2²)⁶2⁹/(2⁵)⁴=2¹²⁺⁹⁻²⁰=2
(8/3)⁵(3/8)⁶=3/8
125a⁶b³*((-1/5)a²b⁴)³=(-5/5)³a⁶b³a⁶b¹²=-a¹²b¹⁵
-3a²b⁴*3a²b⁵=-93a⁴b⁹
(-4a²b⁶)³=-64*a⁶b¹⁸
5x²+6x-3-2x²+3x+4=3x²+9x+1
4⁶*2⁹/32⁴=(2²)⁶2⁹/(2⁵)⁴=2¹²⁺⁹⁻²⁰=2
(8/3)⁵(3/8)⁶=3/8
125a⁶b³*((-1/5)a²b⁴)³=(-5/5)³a⁶b³a⁶b¹²=-a¹²b¹⁵