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Solve for x 5x^2-x-4=0
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4 votes
Solve for x

5x^2-x-4=0

User Tawfekov
by
3.3k points

2 Answers

1 vote

Answer:

x = -0.8, 1

Explanation:

5x² - x - 4 = 0

5x² - 5x + 4x - 4 = 0

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

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

x = -⅘, 1

User Rami Jemli
by
3.6k points
3 votes

Answer:

x = -5/4 x=1

Explanation:

5x^2 -x -4 =0

Factor

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

Using the zero product property

5x+4 =0 x-1 =0

5x=-4 x=1

x = -5/4 x=1

User Sherein
by
3.8k points
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