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1) + 5.x2 + 10x - 20 = 0 what is the sum of roots​

Sagot :

Answer:

5

2

+

1

0

2

0

=

0

5x^{2}+10x-20=0

5x2+10x−20=0

Quadratic formula

1

Common factor

5

2

+

1

0

2

0

=

0

5x^{2}+10x-20=0

5x2+10x−20=0

5

(

2

+

2

4

)

=

0