Q. 325.0( 2 Votes )

Common fact

Answer :

Given: x2 + 8x + 15 = 0


x2 + 3x – 10 = 0


Solving the other two equations by subtracting;


8x – 3x + 15 + 10 = 0


5x + 25 = 0


x + 5 = 0


x = – 5


x = – 5 is the common factor.


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