The value of the expression, [tex](-r-10)-(-4r^2+r+7)[/tex] is [tex]4r^2-2r-17[/tex] such that [tex](-r-10)-(-4r^2+r+7)[/tex].
The difference between the two numbers [tex]a[/tex], and [tex]b[/tex] is [tex](a-b)[/tex].
Simplify the given expression as-
[tex](-r-10)-(-4r^2+r+7)=-r-10+4r^2-r-7\\=4r^2-2r-17[/tex]
Thus, the value of the expression, [tex](-r-10)-(-4r^2+r+7)[/tex] is [tex]4r^2-2r-17[/tex].
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