3 years ago

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

Mathematics

2 answers:

Vsevolod [243]3 years ago

7 0

Answer:

-1/2

Step-by-step explanation:

Don't forget to rate if this helped

hodyreva [135]3 years ago

5 0

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

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