Asked by Ash
how do you find the x intercepts for the equation x^2 + 7x -12?
like, I know you have to set it equal to 0 but I have no clue what numbers multiply to -12 and add to +7. plz help
like, I know you have to set it equal to 0 but I have no clue what numbers multiply to -12 and add to +7. plz help
Answers
Answered by
John
There aren't any numbers that will work.
If the 12 was positive
It would factor to 4 and 3
There will not be any x-intercepts since it isn't factorable.
I don't know if you have worked with imaginary solutions, but that is what you would have here.
If the 12 was positive
It would factor to 4 and 3
There will not be any x-intercepts since it isn't factorable.
I don't know if you have worked with imaginary solutions, but that is what you would have here.
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