1. (3x+1)^2
2. (1+x)^3
please help fast please help please
Share
1. (3x+1)^2
2. (1+x)^3
please help fast please help please
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
1= (3x)^2+2.3x.1.+(2)^2
Step-by-step explanation:
(3x+1)^2
step 1
Use binomial theorem (a+b)²=a² +2ab + b² to expand (3x + 1)²
9x²+6x+1 (answer)
(1+x)^3
use binomial theorem (a+b)²=a²+2ab+b² to expand (1+x)³
1+2x+x² (answer)
hope this will help
thank you