What integers add to -8 and multiply to 15? Sounds like -3 and -5, so:
(a - 3b)(a - 5b)
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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
In algebra, the expression -8ab represents the product of -8, a variable a, and a variable b. The coefficient -8 is a constant factor, while the variables a and b are placeholders for unknown values. When multiplying these terms together, you would multiply the coefficients (-8) and the variables (a and b) separately to get the final result.
There's no answer, because that's not a problem or a question. There would be a question there if that expression were equal to something. But so far, it's just an expression; it doesn't make any statement yet. Were you asked to 'factor' it ? OK. It's equal to 2a (3a - 4b + 1) . But that's just a different way to write the same thing. Nothing has changed, there's no new information, and it doesn't answer any question.
8ab/4c^7=2ab/c^7