6a to the second power minus 8ab + 2a
6a squared-8ab+2a factor completely and check mentally
What integers add to -8 and multiply to 15? Sounds like -3 and -5, so: (a - 3b)(a - 5b)
Provided multiplication is commutative, it is 8ab.
8ab + 3bc - 12 is an expression. It is neither an equation nor an inequality and, therefore, there can be no answer.
-5ab + 7ab -9ab + ab -2ab ... Let's simplify that a bit:ab(-5+7-9+1-2) = -8ab
It is: a(7a-8b)
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2a(3a - 4b + 1)