haydenholland87 haydenholland87

17-11-2017
Mathematics

contestada

Can you factor -20x^2+26x+6

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altavistard altavistard

17-11-2017

the first thing I'd do would be to reduce this equation. Divide all terms by 2:

-10x^2 + 13x + 3 = 0

Then I'd use the quadratic formula. The roots would be

-13 plus or minus sqrt(169-4(-10)(3) )
x = -----------------------------------------------------
-20

Can you simplify this? Hint: sqrt(289) = plus or minus 17.

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