Question

factorise mCube + 4 m + 5 square + 20​

Answer 1

Step-by-step explanation:

m3+4m+25+20

= m3+ 4m+ 45

WHY

m3 is not added to 4m

because they are not like term m has power 3

and 4m has 1

they are not like term

I hope you understand

thanks