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solmaris [256]
2 years ago
6

X(15-x)=50 quadratic equations

Mathematics
1 answer:
meriva2 years ago
3 0

Answer:

15x -  {x}^{2}  =50 \\  {x }^{2}  - 15x  + 50 = 0 \\  {x}^{2} - 10x - 5x + 50 = 0 \\ x(x - 10) - 2(x - 10) = 0 \\ (x - 2)(x - 10) = 0 \\ x = 2 \: and \: x = 10

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