MATHX.NET Multiplying polynomials - Decimals - Simplify product of binomials and trinomials Simplify decimal product with two variables: 1) (1.3m - 1.5n)(7.7m 2 + 2.2 mn + 3.4 n 2 ) 2) (5 x + 5.9 y)(4.2 x 2 -3 xy - 3.8 y 2 ) 3) (5.8 x - 7.86 y)(5.98 x 2 + 6 xy + 7.2 y 2 ) 4) (1.3 x - 0.5 y)(0.11 x 2 - 3.8 xy + 5 y 2 ) 5) (6.979 x - 4.8 y)(4.2 x 2 + 6.3 xy - 2.3 y 2 ) 6) (2.1 x - 5.8 y)(0.9 x 2 + 4.9 xy - 7.5 y 2 ) 7) (2.1u - 4.7v)(3.16u 2 - 7.3uv + 6.5 v 2 ) 8) (2.1 x + 3.9 y)(7.7 x 2 - 1.8 xy - 4.9 y 2 ) 9) (6.5u + 5 v)(3.1u 2 - 1.3uv - 3.6v 2 ) 10) (6.6 x + 6 y)(6.5 x 2 + 7.6 xy - 2.3 y 2 ) 11) (2.9 x - 0.3 y)(5.3 x 2 + xy + 0.4 y 2 ) 12) (2.9a - 1.4b)(1.9a 2 -8ab - b 2 ) 13) (7.3a + 0.7 b)(3.02a 2 - 0.7ab + 0.7 b 2 ) 14) (3.7 x - 4.6 y)(6.6 x 2 + 3.7 xy + 5.6 y 2 ) 15) (3.7m - 5.7n)(3.2m 2 - 5.3mn + 4.3 n 2 ) 16) (7.3 x - 6.7 y)(7.8 x 2 - 5.7 xy + 3 y 2 ) 17) (6.2m - 2.5n)(3.2m 2 + 5.75 mn + 5 n 2 ) 18) (3 x + 1.6 y)(0.9 x 2 + 5.8 xy - 3.14 y 2 ) 19) (2.4 x - 5.13 y)(6.22 x 2 + 6.6 xy - 7.1 y 2 ) 20) (4.4 x + 7.2 y)(4.2 x 2 + 6.4 xy - 5.3 y 2 ) 21) (0.8u + 0.8 v)(3u 2 + 0.62 uv - 7.9v 2 ) 22) (4.5 x - 0.2 y)(7.6 x 2 + 6.9 xy -4 y 2 ) 23) (0.8 x + 1.9 y)(5.93 x 2 + 2.3 xy - 4.56 y 2 ) 24) (5.2u - 5.6v)(1.8u 2 - 6.9uv + 0.9 v 2 ) -1-