(3k-4r-2m)square-(3k+4r-2m)square
Answers
Answered by
10
Hi ,
( 3k - 4r - 2m )² - ( 3k + 4r - 2m )²
= [3k-4r-2m+(3k+4r-2m][3k-4r-2m-(3k+4r-2m)]
[ Since x² - y² = ( x + y )( x - y ) ]
= ( 3k-4r-2m+3k+4r-2m)(3k-4r-2m-3k-4r+2m)
= ( 6k - 4m )( -8r )
= 6k( -8r ) - 4m( -8r )
= - 48rk + 32mr
I hope this helps you.
: )
( 3k - 4r - 2m )² - ( 3k + 4r - 2m )²
= [3k-4r-2m+(3k+4r-2m][3k-4r-2m-(3k+4r-2m)]
[ Since x² - y² = ( x + y )( x - y ) ]
= ( 3k-4r-2m+3k+4r-2m)(3k-4r-2m-3k-4r+2m)
= ( 6k - 4m )( -8r )
= 6k( -8r ) - 4m( -8r )
= - 48rk + 32mr
I hope this helps you.
: )
shree8135:
good morning all
Similar questions