◆ y -5 = x^2 + 6x +3
=) y = x^2 +6x + 8
=) so for finding roots of equation
y = 0
then , x^2 +6x + 8 = 0
=)we can write this eqn as
=) x^2 + 4x+2x + 8 = 0
=) x(x+4) + 2(x+4) =0
=) (x+4)(x+2) =0
=) x+4 =0 or x+2 =0
=) x = -4 or x = -2
# roots are -4, -2
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HOPE IT WILL HELP U