How do you multiply (z+8)^2?

1 Answer
Jim G.
Mar 9, 2017

z^2+16z+64

Explanation:

Each term in the second bracket must be multiplied by each term in the first bracket.

Since (z+8)^2=(z+8)(z+8)

rArr(color(red)(z+8))(z+8)

=color(red)(z)(z+8)color(red)(+8)(z+8)

distribute the brackets.

=z^2+8z+8z+64

collect like terms.

=z^2+16z+64

Related questions
See all questions in Multiplication of Polynomials by Binomials
Impact of this question
1753 views around the world
You can reuse this answer
Creative Commons License