Решите.(-3,1x+7,8у-9,6)*0,1 (0,7x-0,6у+0,5z)*9-1,5p)

(-3,1x + 7,8у - 9,6) * 0,1 (0,7x - 0,6у + 0,5z) * 9 - 1,5p == (-3 1/10x + 7 8/10у - 9 6/10) * 1/10 (7/10x - 6/10у + 5/10z) * 9 - 1,5p == (-31/10x + 78/10у - 96/10) * (7/10x - 6/10у + 5/10z) * 9 * 1/10 - 1,5p = = (-31/10x + 78/10у - 96/10) * (7/10x - 6/10у + 5/10z) * 9/10 - 1,5p = = (-31/10x * 7/10x + 78/10у * 7/10x - 96/10 * 7/10x - 31/10x * (-6/10у) + 78/10у * (-6/10у) - 96/10 * (-6/10у) - 31/10x * 5/10z + 78/10у * 5/10z - 96/10 * 5/10z) * 9/10 - 1,5p = = (-217/100x^2 + 546/100xу - 672/100x + 186/100xу - 468/100у^2 + 576/100у - 155/100xz + 390/100уz - 480/100z) * 9/10 - 1,5p == (-217/100x^2 + 732/100xу - 672/100x - 468/100у^2 + 576/100у - 155/100xz + 390/100уz - 480/100z) * 9/10 - 1,5p == (-217/100x^2 * 9/10 + 732/100xу * 9/10 - 672/100x * 9/10 - 468/100у^2 * 9/10 + 576/100у * 9/10 - 155/100xz * 9/10 + 390/100уz * 9/10 - 480/100z * 9/10 - 1,5p == -1953/1000x^2 + 6588/1000xу - 6048/1000x - 4212/1000у^2 + 5184/1000у - 1359/1000xz + 3510/1000уz - 4320/1000z - 1,5p == -1,953x^2 + 6,588xу - 6,048x - 4,212у^2 + 5,184у - 1,359xz + 3,510уz - 4,320z - 1,5p == -1,953x^2 + 6,588xу - 6,048x - 4,212у^2 + 5,184у - 1,359xz + 3,51уz - 4,32z - 1,5pОтвет: -1,953x^2 + 6,588xу - 6,048x - 4,212у^2 + 5,184у - 1,359xz + 3,51уz - 4,32z - 1,5p