7x2-19x-6 7*6=42
7x2-2x+21x-6
[7xx 2x] [3*7x 2*3]
x(7x-2)+3(7x-2)
Answer: (7x-2)(x+3)
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You can take 7x2 out of both of those, leaving 5x4 and 1.
14x2-7x2-16 7x2-16 (this can't be simplified any more)
That's not a trinomial, but it factors to x(x + 19)
The greatest common factor of 6 and 36 is 6. Since 6 is a factor of 36, it is automatically the GCF.
... what are the factor family of 6