Question

Multiply (3x + 5) (x - 8). Use ^ to indicate an exponent.

Answer 1

Are you familiar with the acronym FOIL?

Answer 2

no

Answer 3

How I learned:

Answer 4

so the answer is 3x^2-19x-40?

Answer 5

yep.

Answer 6

\(\Large{\color{red}{\text{FOIL}}}\\
~\\

\large{\color{red}{\text{F}}\text{irst}}\\
\large{\color{red}{\text{O}}\text{uter}}\\
\large{\color{red}{\text{I}}\text{nner}}\\
\large{\color{red}{\text{L}}\text{ast}}\)

\((a+b)(c+d)=ac+ad+bc+bd\)