# Math

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(v-5)(v+3)

• Math -

If you have not had FOIL, use distributive property
v(v+3) - 5(v+3)

= v^2 + 3 v - 5 v - 15

= v^2 - 2 v - 15

FOIL is for doing these
First, Outer, Inner, Last
v*v + v*3 - 5*v - 5*3

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