Question

subtract x(x^2+3^x) from 3x^2(x-5)

Answer 1

We know that the difference of two like terms is a like term whose coefficient is the difference of the numerical coefficient of the two like terms.

∴ The required difference =(−3x  

2

)−(x  

2

)

                                            =−3x  

2

−x  

2

 

                                            =(−3−1)x  

2

 

                                            =−4x  

2