Subtract the sum of 8x-5y-2z and -6x+8y-4z from the sum of 6x+2y-4z and -2x+4y-8z

Asked by Shawn | 13th Jan, 2016, 04:51: PM

Expert Answer:

begin mathsize 14px style left parenthesis 8 x minus 5 y minus 2 z right parenthesis plus left parenthesis negative 6 x plus 8 y minus 4 z right parenthesis equals 8 x minus 5 y minus 2 z minus 6 x plus 8 y minus 4 z equals 8 x minus 6 x minus 5 y plus 8 y minus 2 z minus 4 z equals 2 x plus 3 y minus 6 z  left parenthesis 6 x plus 2 y minus 4 z right parenthesis plus left parenthesis negative 2 x plus 4 y minus 8 z right parenthesis equals 6 x plus 2 y minus 4 z minus 2 x plus 4 y minus 8 z equals 6 x minus 2 x plus 2 y plus 4 y minus 4 z minus 8 z equals 4 x plus 6 y minus 12 z  left parenthesis 4 x plus 6 y minus 12 z right parenthesis minus left parenthesis 2 x plus 3 y minus 6 z right parenthesis equals 4 x plus 6 y minus 12 z minus 2 x minus 3 y plus 6 z equals 4 x minus 2 x plus 6 y minus 3 y minus 12 z plus 6 z equals 2 x plus 3 y minus 6 z end style

Answered by Rashmi Khot | 13th Jan, 2016, 06:29: PM