Factor 1-3 1. x to the second power -14x+45 2.x to the second power -15x+36 3.x to the second power -7x-44

1.

You need two numbers that multiply to 45 and add to -14.
Since the numbers must multiply to a positive number, 45, they must both be positive or both be negative. Since they must add to -14, they must both be negative.




The numbers are -9 and -5.



2.

You need two numbers that multiply to 36 and add to -15.
Since the numbers must multiply to a positive number, 36, they must both be positive or both be negative. Since they must add to -15, they must both be negative.




The numbers are -12 and -3.



3.

You need two numbers that multiply to -44 and add to -7.
Since the numbers must multiply to a negative number, -44, one number is positive, and one number is negative.




The numbers are -11 and 4.



Solve by factoring:
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