Question

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

Answer 1

do you know how to use the FOIL rule?

Answer 2

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

Answer 3

no prob

Answer 4

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

Answer 5

ok ill do that just wait

Answer 6

yes i did get the answer

Answer 7

:)

Answer 8

cool

Answer 9

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?