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Mathematics
Algebra
Quadratic Equations
Determine the solutions to the quadratic equation -10x2 + 30x - 20 = 0.
1 answer
Although it is not strictly necessary, I would start by dividing both sides by -10. That makes the equation easier to factor "by inspection".
x^2 -3x +2 = 0
(x-2)(x-1) = 0
x = 2 or 1
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