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Mathematics 15 Online
OpenStudy (anonymous):

(4m-7n)(4m+7n)

OpenStudy (anonymous):

do you know how to use the FOIL rule?

OpenStudy (anonymous):

wait i ll try to do it see if its good thanks

OpenStudy (anonymous):

no prob

OpenStudy (albert0898):

FOIL (First, Outer, Inner, Last) -- Use the distributive property of multiplication.

OpenStudy (anonymous):

ok ill do that just wait

OpenStudy (anonymous):

yes i did get the answer

OpenStudy (anonymous):

:)

OpenStudy (anonymous):

cool

OpenStudy (anonymous):

anyone can help me with this ₃⁄₄(2x+y)=9 ⅝(2x=11y)=20 Solve question 6.2 above graphically ,i.e, plotting the lines on the same set of axes and determining the point of intersection. Does your answer agree with that obtained above?

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