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jekas [21]
2 years ago
15

4u^2 - 15u + 18 = 0​

Mathematics
1 answer:
AnnZ [28]2 years ago
6 0

Answer:

Step-by-step explanation:

u=\frac{15 \pm \sqrt{(-15)^2 -4\times 4 \times 18} }{2 \times 4}

u=\frac{15 \pm \sqrt{225-288} }{8} \\u=\frac{15 \pm \sqrt{-63} }{8} \\u=\frac{15 \pm \sqrt{63i^2 } }{8} \\u=\frac{15 \pm 3 \sqrt{7} i }{8}

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What is 75:___= 25:8
vova2212 [387]

Answer:

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3 0
3 years ago
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3 years ago
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