Question

solve by factorisation method
$x2 - 2x - 3 = 0$
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Answer 1

Step by step Explanation:

x²-2x-3=0

x²-3x+1x-3=0

(x²-3x) + (1x-3)=0

x(x-3)+1(x-3)=0

(x-3)(x+1)=0

.°. x-3=0 or x+1=0

.°. x=3 or x=-1

Answer: 3, -1 are the roots of the given quadratic equation