The square of the sum (decimal fractions) — task. Maths CBSE Homework Assignments, Class 7.

Expand the square of a binomial as a polynomial:

{(13 x + 2.8 y)}^{2}

Enter the variables and numbers in separate windows; enter the powers in windows next to variables.

i i^{i} + i xy + i i^{i}

Did you find an error?

2. The square of the sum (decimal fractions)