Question

solve x2-4x-5=0 without using formula
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Answer 1

Answer:

without formula it can be done by splitting method..

x^2-4x-5=0

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

x(x-5)+1(x-5)=0

(x+1)(x-5)=0

so

x=-1 or x=5

it may help you ...

thank u