Question

solue
x² + x -20=0 by factorization method​

Answer 1

Answer:

Given : x^2+x-20=0

x^2+5x-4x-20=0

x(x+5)-4(x+5)=0

(x+5)(x-4)=0

so,

x+5=0 or x-4=0

x= -5 or x= 4

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