subtract 7x+8y-xyz from 8x-7y+3xyz.
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Step-by-step explanation:
the anser is x-15y+4xyz
[tex] Let \: A = 7x+8y-xyz \:and \: B = 8x-7y+3xyz[/tex]
/* According to the problem given */
[tex] B - A = 8x-7y+3xyz - ( 7x+8y-xyz) [/tex]
[tex] = 8x-7y+3xyz - 7x-8y+xyz[/tex]
[tex] = 8x - 7x - 7y - 8y + 3xyz + xyz [/tex]
[tex] = (8-7)x - ( 7+8)y + (3+1)xyz[/tex]
[tex] = x + 15y + 4xyz [/tex]
Therefore.,
[tex] \red{ B-A} \green { = x + 15y + 4xyz} [/tex]
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