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This quadratic expression can be arranged as:
-x2+7x+12
When factorised:
(-x+8.424428901)(x+1.424428901)
So the intercepts are: x = 8.424428901 or x = -1.424428901
The above was worked out by using the quadratic equation formula.
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Earn +20 ptsQ: How to intercept 12 plus 7x minus x power of 2?
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