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Science & Mathematics by Anonymous 2018-06-10 15:32:38
Social Science
(w-7)^2=2w^2-17w+39?
8 answers
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Anonymous
(w - 7)^2 = 2w^2 - 17w + 39 w^2 - 3w - 10 = 0 (w - 5)(w + 2) = 0 Solutions: w = -2 w = 5
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Anonymous
(w - 7)^2 = 2w^2 - 17w + 39 w^2 - 3x - 10 = 0 (w - 5)(w + 2) = 0 Solutions: w = -2 w = 5
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Anonymous
(w - 7)^2 = 2w^2 - 17w + 39 w^2 - 14w + 49 = 2w^2 - 17w + 39 0 = w^2 - 3w - 10 0 = (w - 5)(w + 2) w = 5 or w = -2
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Anonymous
w² - 14w + 49 = 2w² - 17w + 39 w² - 3w - 10 = 0 [ w - 5 ] [ w + 2 ] = 0 w = 5 , w = - 2
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Anonymous
(w - 7)^2 = 2w^2 - 17w + 39 w^2 - 14w + 49 = 2w^2 - 17w + 39 0 = w^2 - 3w - 10 0 = (w + 2)(w - 5) ---> w = -2 or 5.
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Anonymous
Look it up on google, dumbass
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Anonymous
Solution: w = {5, -2}
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Anonymous
w^2 - 14w + 49 = 2w^2 - 17w + 39 0 = w^2 - 3w - 10 You can solve that by factoring or by using the quadratic formula. 0 = (w + 2)(w - 5) or w = [+3 +- sqrt(3^2 - 4*1*(-10)) ] / 2 = [3 +- sqrt(49) ] / 2
