Question

Solve it please..............................

Answer 1

hey mate!

x^2-3x-10
=x^2-5x+2x-10=0
=x(x-5)+2(x-5)=0
=(x+2)(x-5)=0
x+2=0. and x-5=0
x=-2 x=5

so the roots are -2 and 5

hope it helps!

Answer 2

X= 3+ or - root of 3^2-4×1×-10/2×1 (formula method)
3+or- root of 49/2
3+or-7/2=
3+7/2=5
3-7/2=-2