60° (4x – 20) Choose 1 answer:
2 answers:
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Answer:
Where
And replacing we got:
And solving we got:
Where
And the possible solutions are:
Step-by-step explanation:
For this case we use the equation given by the image and we have:
We can rewrite the last expression like this if we multiply both sides of the equation by -1.
Now we can use the quadratic formula given by:
Where
And replacing we got:
And solving we got:
Where
And the possible solutions are: