Bjorn007

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I think there is a mistake in the problem. He added +4 (8) in the parenthesis, so outside of the parenthesis he should have subtracted [8] instead of adding to cancel out both operations.

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X equals negative b plus or minus square root of b squared minus four a c all over two a~

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For I think there is a mistake in the problem. He added +4 (8) in the parenthesis, so outside of the parenthesis he should have subtracted [8] instead of adding to cancel out both operations.
For wouldent this be undetermined since we dont know the shape of the playground. if its oval itll be circular if its square itll be a box.
For I think there is a mistake in the problem. He added +4 (8) in the parenthesis, so outside of the parenthesis he should have subtracted [8] instead of adding to cancel out both operations.
For in this problem when he adds 2 to the other side he writes it as 2± √14 shouldent it be 2+± √14 or better yet ± √14+2 the first looks like 2 multiplied by ± √14
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For divide (2x^3 + 7x^2 - 4x +1) by (x^2 + 3x)
For divide (x^2 -81) by (x+2)
For why does the graph gets phlips when it is negative?

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