Question

Solve the following factorisation
x²+x-20=0​

Answer 1

Answer:

i hope it was help for you

Answer 2

Answer:

= − ±$\sqrt$ ² − 4 √

         2α

Once in standard form, identify a, b and c from the original equation and plug them into the quadratic formula.

² + − 2 0 = 0

= 1

b=1

c=−20

=− 1 ±  √1 ²− 4 ⋅ 1 ( − 2 0 )

    2 ⋅ 1

Step-by-step

= 4

= − 5

explanation: