Factorise x² – 3x – 10 = 0

x² – 3x – 10 = 0

Let us simplify the given expression,

x² – 5x + 2x – 10 = 0

x(x – 5) + 2(x – 5) = 0

(x + 2) (x – 5) =0

So now,

(x + 2) = 0 or (x – 5) =0

x = -2 or x = 5

∴ Value of x = -2, 5