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OpenStudy (anonymous):
One solution of the equation 4x2 - 9x + 5 = 0 is five over four . What is the other solution? Answer
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hero (hero):
4x^2 - 4x - 5x + 5 = 0 4x(x-1) -5(x-1) = 0 (x-1)(4x-5) = 0 The other solution is x = 1
OpenStudy (anonymous):
that means that one bracket is ( 4x - 5) so the other must b (x - a) - can u see what a must be?
OpenStudy (anonymous):
Trick: Sum of the coefficients is 0, hence 1 is a solution ;-)
OpenStudy (anonymous):
good trick
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