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Solve 2x(x + 4) = x - 3
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7 votes
Solve 2x(x + 4) = x - 3

User Sevi
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2 Answers

7 votes
2x ² + 8x = x - 3
2x ² + 8x - x + 3 = 0
2x ² + 7x + 3 = 0
2x ² + 6x + x + 3 = 0
2x(x+3) + (x+3) = 0
(x+3)(2x+1) = 0
x= -3 ; -1/2
User Marcin D
by
4.3k points
7 votes

Answer:

-1/2

Explanation:

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User Ddekany
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