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My name is Ann [436]
3 years ago
8

Solve by factoring or finding square roots x^2-18x-40=0

Mathematics
2 answers:
irina1246 [14]3 years ago
8 0

Answer:

Step-by-step explanation:

podryga [215]3 years ago
7 0

Answer:x=-2 or x=20

Step-by-step explanation:

X^2-18x-40=0

X^2+2x-20x-40=0

X(x+2)-20(x+2)=0

(X+2)(x-20)=0

X+2=0 or x-20=0

X=-2 or x=20

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IrinaVladis [17]

Answer:  distance = 406 miles

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Step-by-step explanation:

4 hours - 232 miles

1 hr - 232/4

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speed = 406/7 = 58 miles/hr

8 0
3 years ago
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Answer:

Step-by-step explanation:

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3 years ago
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Answer: 150

Step-by-step explanation:

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0.15 * 293 = 43.95 <==
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