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Simplify: a²b²-ab-2(2a²b²-5ab+1)

 

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To simplify the E×ρréššion, let's start by distributing the negative sign across the parentheses:

a²b² - ab - 2(2a²b² - 5ab + 1)

Next, distribute the negative sign to each term inside the parentheses:

a²b² - ab - 2(4a²b² - 10ab + 2)

Now, distribute the 2 to each term inside the second parentheses:

a²b² - ab - 8a²b² + 20ab - 4

Combining like terms:

(a²b² - 8a²b²) + (-ab + 20ab) - 4

-7a²b² + 19ab - 4

So, the simplified E×ρréššion is -7a²b² + 19ab - 4.