1)(4х)^2+2×4×у+у^2 = 16х^2+8у+у^2
2)(2а)^2+2×2а×3в+(3в)^2 = 4а^2+12ав+9в^2
3)5^2+2×5×6m+(6m)^2 = 25+60m+36m^2
4)x^2+2×x×2y+(2y)^2 = x^2+4xy+4y^2
5)(8x)^2+2×8x×3+3^2=64x^2+48x+9
6)(10x)^2-2×10x×7y+(7y)^2 = 100x-140xy+49y^2
1)(4х)^2+2×4×у+у^2 = 16х^2+8у+у^2
2)(2а)^2+2×2а×3в+(3в)^2 = 4а^2+12ав+9в^2
3)5^2+2×5×6m+(6m)^2 = 25+60m+36m^2
4)x^2+2×x×2y+(2y)^2 = x^2+4xy+4y^2
5)(8x)^2+2×8x×3+3^2=64x^2+48x+9
6)(10x)^2-2×10x×7y+(7y)^2 = 100x-140xy+49y^2