Question

How do you multiply `(11z ^ { 2} + z ) ^ { 2}`?

Answer 1

See a solution process below:

Explanation:

This is a special form of multiplying terms. Use this rule:

`(a + b)^2 = a^2 + 2ab + b^2`

Substituting `11z^2` for `a` and `z` for `b` gives:

`(11z^2 + z)^2 => (11z^2)^2 + 2(11z^2)z + z^2 =>`

`121x^4 + 22x^3 + x^2`