Solution assignment 06 Quadratic equations (factorizing)

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Assignment 6

Try to solve by factorizing:

x^2-x-56=0

Solution

We have to find p and q such that:

pq=-56 and p+q=-1

The following values will do:

p=-8 and q=7

Thus the equation can be written as:

(x-8)(x+7)=0

and thus the solutions are:

x=8 or x=-7

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