Question

0 maths quadratic equations formula method extra questions

Answer 1

Answer:

Find the roots of the quadratic equation using factorization technique

a) x2-3x-10=0

b) x2 -11x+30=0

Solution

a)

x2 -5x+2x-10=0

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

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

So roots are x=-2 and 5

b) Roots are 5 and 6