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Oliga [24]
3 years ago
15

Solve each equation. Showing your reasoning. X^2-6x-20=7

Mathematics
1 answer:
scoundrel [369]3 years ago
4 0

Answer:

x=-3,x=9

Step-by-step explanation:

x^2-6x-20-7=0

x^2-6x-27=0

x^2-(9-3)x-27=0

x^2-9x+3x-27=0

x(x-9)+3(x-9)=0

(x+3)(x-9)=0

x=-3,x=9

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2 years ago
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valina [46]

Answer:

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Step-by-step explanation:

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8 0
2 years ago
5+14a=9a - 5 <br><br><br> Please help
posledela

Answer:

a=2

Step-by-step explanation:

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8 0
2 years ago
How many sixths are in 3 and 1 third ??
lorasvet [3.4K]
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