Find the zeroes of the polynomial using the quadratic formula.
1 answer:
Answer:
Step-by-step explanation:
2x² - 3x - 15 = 5
2x² - 3x - 20 = 0
Quadratic formula
x = [3 ± √(3² – 4·2(-20))] / [2·2]
= [3 ± √169] / 4
= [3 ± 13] /4
= -2.5, 4
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Step-by-step explanation:
Answer:
15
Step-by-step explanation:
The sum of the exterior angles of a polygon = 360°
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Add like terms and then simplify
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1 ornament per 3 hours
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