[tex]x*2tx-x-5-xt*7[/tex] [tex]\text{Expression}[/tex]
[tex]\text{Apply Product Rule:} \ {x}^{a}{x}^{b}={x}^{a+b}
[/tex]
[tex]x^2*2t-x-5-xt*7[/tex]
[tex]2x^2t-x-5-xt*7
[/tex] [tex]\text{Regroup terms}[/tex]
[tex]2x^2t-x-5-7xt
[/tex] [tex]\text{Regroup terms}[/tex]