Question

$$T=3x^{2}-3+5x+4x^{2}-7.8R$$

Answer

$$T=7*x^2-3+5*x-7.8*R$$

Solution


Simplify  \(3{x}^{2}-3+5x+4{x}^{2}-7.8R\)  to  \(7{x}^{2}-3+5x-7.8R\).
\[T=7{x}^{2}-3+5x-7.8R\]