Question

x^2-2x-15=0
please solve this for me​

Answer 1

Answer:

Please see the attachment .....

Answer 2

x^2 - 2x - 15 = 0

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

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

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

So, a. ( x + 3) = 0 => x = -3

     b. (x - 5) = 0 => x = 5

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