Answer:
![-3x^2+17x-20](https://img.qammunity.org/2020/formulas/mathematics/high-school/2k7phk66a709og6zxg8yswms9fgh2ddnaz.png)
Explanation:
We have been given an expression
. We are asked to find the simplified product of the given expression in standard form.
Using distributive property
, we will get:
![(3x)(-x)+(3x)(4)+(-5)(-x)+(-5)(4)](https://img.qammunity.org/2020/formulas/mathematics/high-school/ztzlbesqgbq8yo37nfjrq2hwrepyejq0sd.png)
![-3x^2+12x+5x-20](https://img.qammunity.org/2020/formulas/mathematics/high-school/jo8bm9mp42qfdnzvhlydsx5w0qr34gkffu.png)
Combine like terms:
![-3x^2+17x-20](https://img.qammunity.org/2020/formulas/mathematics/high-school/2k7phk66a709og6zxg8yswms9fgh2ddnaz.png)
Therefore, the product of our given expression would be
.