(8r^2-7r-9) +(-r^2+r)=
You asked:
Evaluate the expression: \(8 {r}^{2} - 7 r - 9 + -{r}^{2} + r\)
MathBot Answer:
\[8 {r}^{2} - 7 r - 9 + -{r}^{2} + r = 7 r^{2} - 6 r - 9\]
(8r^2-7r-9) +(-r^2+r)=
You asked:
MathBot Answer:
\[8 {r}^{2} - 7 r - 9 + -{r}^{2} + r = 7 r^{2} - 6 r - 9\]