Question

5X square + X - 4 equal to zero​

Answer 1

Step-by-step explanation:

5x^2+x-4=0

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

5x(x+1)-4(x+1)=0

(5x-4)(x+1)=0

5x-4=0,(x+1)=0

x=4/5,x=-1

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Answer 2

Answer:

(5x-4)(x+1)=0

Step-by-step explanation:

5x^2+x-4=0

5x^2+(5x-4x)-4=0

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

5x(x+1)-4(x+1)=0

(5x-4)(x+1)=0

Also, x= -1, 4/5

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