234k views
2 votes

(x - 7)(y - 9)

User Pew Labs
by
8.4k points

1 Answer

1 vote

Remark

There are occasions where this is very handy to know. Use FOIL.

Solve

F: (First): x*y = xy

O: (Outside): x *(-9) = - 9x

I:(Inside): (-7)*y = - 7y

L:(Last): (-7)*(-9) = 63

Add the terms together

xy - 9x - 7y + 63 <<<< Answer


User Mike Allen
by
8.0k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories