Complete the squaren^2+4n+80=5

1 answer:

4 0

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Aleks04 [339]

Answer:

x² + 2x - 15 = 0

Step-by-step explanation:

- 5 and 3 are zeros of quadratic function.

(x + 5)(x - 3) = 0

x² + 2x - 15 = 0

8 0

3 years ago

noname [10]

Answer:

10 $x^{2}$ -55xy-30 $y^{2}$

Step-by-step explanation:

8 0

3 years ago

Dahasolnce [82]

$2\cdot3\sqer2\cdot2(5+\sqrt2)=(2\cdot3\cdot2)\sqrt2(5+\sqrt2)=12\sqrt2(5+\sqrt2)\\\\=60\sqrt2+12\sqrt{2^2}=60\sqrt2+12\cdot2=60\sqrt2+24$

3 0

3 years ago

FinnZ [79.3K]

The answer is C
-1 , 3

6 0

3 years ago

kenny6666 [7]

Answer:

240

Step-by-step explanation:

V=width height length = 10 · 3 · 8 = 240

Hope this helped, have a wonderful day man!

4 0

3 years ago