3 years ago

How to calculate this question?

Mathematics

1 answer:

Degger [83]3 years ago

8 0

Answer:

if you use perimeter area you can get answer

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Factor the polynomial completely using any method. Show steps.<br> 2d^4-13d^2-45

Alinara [238K]

Answer:

$\huge ( {2d}^{2} + 5)(d + 3)(d - 3)$

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

factoring
PEMDAS

<h3>given:</h3>

$2d^4-13d^2-45$

<h3>let's solve:</h3>

$2d^4-13d^2-45$

$2 {d}^{4} + 5 {d}^{2} - 18 {d}^{2} - 45 \\ {d}^{2} ( {2d}^{2} + 5) - 9( {2d}^{2} + 5) \\ ( {2d}^{2} + 5)( {d}^{2} - 9 )\\ ( {2d}^{2} + 5)(d + 3)(d - 3)$

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I need help with 5! Please help!

Veseljchak [2.6K]

Answer:

X=3.666666666666667

Step-by-step explanation:

The way i did this is by putting

2/12=X/22.

You then cross multiply and get

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