Question

Someone please help me I got this incorrect & I’m really struggling

Answer 1

X=5or -2

Explanation:

x²-3x-10=0

x²-(5-2)x-10=0

x²-5x+2x-10=0

x(x-5)+2(x-5)=0

(x-5)(x+2)=0

either Or

x-5=0 x+2=0

x=5 x=-2

Answer 2

(x-5) = 0 or (x+2)=0
so x could be 5 or -2
i guess, u can check it with calculator