How do you multiply (- 3v + 7) ( - 6v + 5)?

1 Answer
Jun 24, 2017

(-3v+7)(-6v+5)=color(blue)(18v^2-57v+35

Explanation:

Multiply:

(-3v+7)(-6v+5)

Apply the FOIL method:

www.mesacc.edu/~scotz47781/mat120/notes/polynomials/foil_method/images/examples/foil_diagram.gifwww.mesacc.edu/~scotz47781/mat120/notes/polynomials/foil_method/images/examples/foil_diagram.gif

color(red)((-3v+7)(-6v+5))=color(blue)((-3v*-6v)+(-3v*5)+(7*-6v)+(7*5)

Simplify.

color(red)((-3v+7)(-6v+5))=color(blue)(18v^2-15v-42v+35

Add -15v and -42v.

color(red)((-3v+7)(-6v+5))=color(blue)(18v^2-57v+35