factorise x^2+5x+6=0 and find x

x2+5x+6=0 (x+3)(x+2)=0 x=-3 and x=-2

AO

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25= x2 + 10 - 6. Find X


Solve x^2+10x-3=0 by completing the square, simplify your answer.


Solve 2x+y=6, 3x+2y=3 for x and y.


What does it mean to "complete the square"?