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Mathematics 8 Online
OpenStudy (anonymous):

Find the product of (4x + 3y)(4x − 3y). 16x^2 − 24xy + 9y^2 16x^2 − 9y^2 16x^2 + 24xy + 9y^2 16x^2 + 9y^2

OpenStudy (mertsj):

This is the exact same sort of question that campbell just helped you with.

jimthompson5910 (jim_thompson5910):

hint: (a-b)(a+b) = a^2 - b^2

OpenStudy (marissalovescats):

Use FOIL girl!! FOILs like... your best friend of Algebra sometimes :P

OpenStudy (marissalovescats):

Well you can eliminate answers by knowing that -3*3 is -9.

OpenStudy (anonymous):

LOL FOIL girl!!! you are tooo funny....|dw:1373172747587:dw| Its a difference of squares

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