Saturday 13 February 2016

ALGEBRA - 5


Multiply 9x - 7y by -6a

Solution

= -6a(9x - 7y)

= (-6a x 9x) + (-6a x -7y)

= -54ax + 42ay     [since -6a x -7y = +42ay ]

TRY THIS...................


Multiply 12p - 9q by  -2a


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