Question

plz answer fast its necessary ​

Answer 1

Answer:

Explanation:

10x2+x-2

10x(x+1-2)

Answer 2

The equation is 10x2 + x -1=0

On comparing with, ax2 + bx +c=0

We get, a=10, b=1, c=-1

So, b2-4ac = 1-4*10*-1

=>1+40

=>41