Question

X2-3x-10=0 solve quadratic equation by using formula

Answer 1

Answer:

x2 -3x -10 =0

Step-by-step explanation:

factors of 10 are -5+2.

x2+2x-5x-10=0

x(x+2) -5 (x+2)

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

x=5 x=-2

hope it will help you if u like my answer then Pls press bell icons and follow me my last account was been deleted by brainly so Pls help

Answer 2

Answer:

x=5,x=-2

Step-by-step explanation:

x²-3x-10=0

x = -b ± √b² -4×a×c/ 2×a

a=1. b=-3. c=-10

x = -(-3) ± √-3² -4×1×-10/2×1

x= 3 ± √9+40 /2

x=3± √49/2

x=3± 7/2

x=3+7/2. or. x=3-7/2

x=10/2. or. x=-4/2

x=5. or x=-2