Question

.Find the roots of the quadratic equation x2-3x-10=0

a.)x=-2,x=-5 b.)x=-2, x=5 c.)x=2,x=-5 d.)x=2,x=5

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Answer 1

Answer:

x2-3x-10=0

compare with ax²+bx+c=0

a=1,b=–3,c=–10

using factorization method

x²-5x+2x-10=0

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

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

x=5. and. x=–2