which of the following is a product of a sum and difference of two terms?
a. ( x + 3 ) ( x + 3 )
b. ( x - 3 ) ( x + 3 )
c. ( x - 3 ) ( x - 3 )
d. ( x + 3 ) ( x - 8 )
a. ( x + 3 ) ( x + 3 )
b. ( x - 3 ) ( x + 3 )
c. ( x - 3 ) ( x - 3 )
d. ( x + 3 ) ( x - 8 )
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b. (× - 3)(×+3)
the product would be(× - 3)(×+3)
it is the product of sum and difference because we can easily find it.
(+ - 3) will be the difference term and (×+3)
will be the sum term.
then, it said that it is a product of the two term so simply it is the product of the (×-3)(×+3)