Question

x
$x {}^{2} - 13x - 30 = 0$
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Answer 1

X^2-13x-30=0
we will solve this sum using factorisation method
So the multiple and additional value should be -30 and -13 respectively
So the no. will be -15 and +2
::x^2-15x+2x-30=0
:: x(x-15)+2(x-15)=0
(x+2)(x-15)=0
::x=-2 or x=15
HOPE IT HELPS YOU