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OpenStudy (anonymous):
find the roots of the equation x^2+7=2X and express your answer in simplest a+bi form
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OpenStudy (radar):
x^2 +7=2x x^2-2x+7=0 Transposing (subtracting 2x from both sides of equation. Do you know how to use the quadratic formula? A=1, B=-2 and C=7
OpenStudy (anonymous):
yes
OpenStudy (radar):
Good. substitute those values and solve.
OpenStudy (anonymous):
thank you
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