The square of the sum of a number and 9 is ??????

asked Jan 11, 2019 83.5k views

0 votes

5.7k points

Please log in or register to add a comment.

6 votes

Answer:

(x+9)²

Explanation:

The square of the sum of a number and 9 is in terms of x, is (x+9)²

Commoner answered Jan 13, 2019

6.1k points

5 votes

$n-a\ number\\\\(n+9)^2=n^2+2(n)(9)+9^2=n^2+18n+81\\\\Used\ (a+b)^2=a^2+2ab+b^2$

Foxiris answered Jan 16, 2019

5.7k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.6m questions

8.7m answers