Math
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How do I know if I should factor this or use the quadratic formula?
Sohayb Walid's answer
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If you are an igcse student and you want a quick trick , you may use the calculator(mode 5 ,3) to solve the quadratic equation, if the answers you got where integers or fractions then you should factorize , if they are surds(roots) i.e square root of 2 , then you should use the quadratic formula