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Mathematics 7 Online
OpenStudy (anonymous):

please someone help me ?

OpenStudy (anonymous):

how can we help?

OpenStudy (anonymous):

Harry is trying to solve the equation y = 2x2 − x − 6 using the quadratic formula. He has made an error in one of the steps below. Find the step where Harry went wrong.

OpenStudy (anonymous):

(-1)^2 is 1 not -1 (so step 2 is the mistake)

OpenStudy (anonymous):

Sorry for not continuing my reply yesterday. I had trouble with my connection.

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