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3 years ago

Complete the square x^2+45=-14x

Mathematics

1 answer:

Rom4ik [11]3 years ago

8 0

2
+
4
5
=
−
1
4

x
2
+
45
=
−
14
x
x2+45=−14x

2
+
4
5
−
−
1
4

=
0

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Answer:

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Step-by-step explanation:

|p+8|

-------------- = 5

Multiply each side by 2

|p+8|

-------------*2 = 5*2

|p+8| =10

There is a positive and a negative solution

p+8=10 p+8=-10

Subtract 8 from each side

p+8-8=10-8 p+8-8=-10-8

p =2 p=-18

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Step-by-step explanation:

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2 years ago

Geometric mean. Find x, y, and z. Show work please.

Aleks [24]

Answer:

Step-by-step explanation:

i dont know the rest but the answer to x is 15 because the formula to that triangle is A^2+B^2=C^2

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3 years ago