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OpenStudy (anonymous):
Find x: 2x^2- 7x -9=0
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OpenStudy (raden):
use factorization : 2x^2- 7x -9=0 (2x - 9)(x + 1) = 0 solve for x by take the zeroes of all term be equal 0 2x-9=0 ----> x= ? x+1=0 -----> x= ?
OpenStudy (anonymous):
another way to do it is using the quadratic formula
OpenStudy (anonymous):
Can you solve it for me using the quadratic formula so I can see
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