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Solve by completing the square to get x
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Solve by completing the square to get x

Solve by completing the square to get x-example-1
User Petr Blahos
by
7.3k points

1 Answer

5 votes

Answer:

Explanation:

the factors of -15 that add to get -2 is -5 and 3

you get x^2 - 5x + 3x -15 = 0

group the left two and right two and take out the greatest common factor

x(x-5)+3(x-5) = 0

(x+3)(x-5) = 0

x=-3 and 5

User Matthew Payne
by
7.6k points
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