Answer:
x=6 because 6x13 =78
Step-by-step explanation:
Answer:
There are two complex roots:
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<h3>Given equation:</h3>
The standard form is:
Compared we can find values of the coefficients and the constant:
Substitute these values into quadratic formula:
and work out roots:
Answer you multiple it by 10
Step-by-step explanation:
The answer is D (last one)