Hi, I'm confused how to solve: 3x^2-2x-(x^2-5x), thanks!

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Hi, I'm confused how to solve: 3x^2-2x-(x^2-5x), thanks!

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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=3x^2-2x-x^2+5x =2x^2+3x btw, why? this is easy
=3x^2-2x-x^2+5x =2x^2+3x btw, why? this is easy
I already have the answer, its a practice quiz, but unfortunately that doesn't help me understand how to do it even though its easy

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you have a minus sign outside the bracket, that means (-1) times everything in bracket, so -(x^2-5x) = -1 * (-x^2-5x) = (-1)*(x^2)+(-1)*(-5x)=-x^2+5x so ur equation becomes 3x^2-2x-x^2+5x=2x^2+3x hope that help?
sorry, no minus before x^2 in the bracket in the second one from the left :)
Thanks!
Thanks!

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