What are the roots of the equation $x^2 - 5x - 36 = 0$ ?

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Answer 1 · 2018-03-20T03:30:10

$x=9 or x=-4$

We can solve this quadratic equation using factorisation method as follows $:$

$x^2-5x-36=0$

$x^2+4x-9x-36=0$

$x(x+4)-9(x+4)=0$

$(x+4)×(x-9)=0$

$x+4=0 or x-9=0$

$x=-4 or x=9$

What are the roots of the equation x^2 - 5x - 36 = 0x^2 - 5x - 36 = 0?