Question

find the roots of the following quadratic equations by factorization x2 - 3x-10=0​

Answer 1

x²-3x-10= 0

x²-5x+2x-10=0

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

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

x+2=0 or x-5=0

x=-2 or x=5

therefore, -2 and 5 are the roots of equation.