Question

x2+x-20=0 completing square method

Answer 1

here's your answer ask anything else

Answer 2

Hi Buddy here is ur answer,

= X^2 + X -20=0
= X^2+(5-4)X - 20=0
= X^2 +5X - 4X - 20=0
= X(X +5) - 4 (X- 5) =0
= (X-5)(X-4) =0
= (X+5)=0 = X = -5
= (X -4) =0 = X=4

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