Question

find the product of the following using the identity (x + a) (x + b) = x² + (a + b) x + ab
i) (x + 2/3) (x + 3/2)
ii) (x + 5/6) (x + 6/5)
iii) (x + 7/8) (x + 8/7)
iv) (x - 3/5) (x - 5/3)
v) (x + 3/8) (x - 8/3)
vi) (x + 7/9) (x - 9/7)
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Answer 1

1. 6x²+13x+6
2. 30x² + 61x+ 30
3. 56x²+ 113x + 56
4. 15x² -26x + 15
5. 24x² -41x - 24
6. 63x² -32 - 63