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  • Brainly User
2015-09-06T16:05:32+08:00

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1.  Factor (a + 3) (a-3)     

2.  this is not a product of sum and difference of two cubes.  Check again the given in item Number 2.
0
Tama naman ah.
when you say sum and difference of two cubes, the pattern is (a+b) (a-b) = a^3 - b^3. The second given item does not fall in this pattern:-) The factor of second item is (4x + 3y) (16x^2-12xy+9y^2). Notice that the factor is not (a+b) (a-b) pattern .
But if the given product is 64x^3 - 27y^3, the it satisfies the sum and difference of two cubes which is (4x+3y) (4x-3y)
*then it satisfies...