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svp [43]
3 years ago
7

20 minus the product of 3 and 5.

Mathematics
1 answer:
olganol [36]3 years ago
6 0

Answer:

5

Step-by-step explanation:

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What are the roots of the equation 16x2 + 40x + 27 = 0 in simplest a + bi form?
bezimeni [28]

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Answer:

  -5/4 +i(√2)/4 and -5/4 -i(√2)/4

Step-by-step explanation:

I find simplest form to be easier to get to if the leading coefficient is 1. Dividing by 16, we have ...

  x^2 +5/2x +27/16 = 0

Completing the square by adding and subtracting the square of half the x-coefficient, we get ...

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