Opuść nawiasy i wykonaj redukcję wyrazów podobnych. a) -3ab(-6a²-2ab-b²)-(3ab³+6a²b²) b) 6a(5a²-8b)-10a(6b+7a²)-3ab c) [(8x³-4x²y²)-2(3x²y²+4x²)]×(-2x²y²) d) 4c-2(c-3)-3[c-3(4-2c)+8]

a) [latex]-3ab(-6a^2-2ab-b^2)-(3ab^3+6a^2b^2)=[/latex] [latex]18a^3b+6a^2b^2+3ab^3-3ab^3-6a^2b^2=18a^3b[/latex] b) [latex]6a(5a^2-8b)-10a(6b+7a^2)-3ab=[/latex] [latex]30a^3-48ab-60ab-70a^3-3ab=- 40a^3 - 111ab[/latex] c) [latex][(8x^3-4x^2y^2)-2(3x^2y^2+4x^2)] cdot (-2x^2y^2)=[/latex] [latex][8x^3-4x^2y^2-6x^2y^2-8x^2] cdot (-2x^2y^2)=[/latex] [latex](8x^3 - 10x^2y^2 - 8x^2) cdot (-2x^2y^2)=[/latex] [latex]-16x^5y^2+20x^4y^4+16x^4y^2[/latex] d) [latex]4c-2(c-3)-3[c-3(4-2c)+8] =[/latex] [latex]4c-2c+6-3[c-12+6c+8] =[/latex] [latex]2c+6-3[7c-4] =[/latex] [latex]2c+6-21c+12 =[/latex] [latex] - 19c+18[/latex]