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tresset_1 [31]
3 years ago
10

.Write the expression x4 + 5x2 – 8 in quadratic form, if possible.

Mathematics
1 answer:
rodikova [14]3 years ago
5 0

Answer:

5x^2 + 4x - 8 Hope this helps! I think this is right, but it's hard to tell from the problem.

Step-by-step explanation:

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\qquad\qquad\huge\underline{{\sf Answer}}♪

Let's solve for x ~

\qquad \sf  \dashrightarrow \:5 \sin(x)  = 3 \sin(x)   +  \sqrt{2}

\qquad \sf  \dashrightarrow \:5 \sin(x)  - 3 \sin(x)  =  \sqrt{2}

\qquad \sf  \dashrightarrow \:2 \sin(x)  =  \sqrt{2}

\qquad \sf  \dashrightarrow \: \sin(x)  =  \sqrt{2}  \div 2

\qquad \sf  \dashrightarrow \: \sin(x) =  \frac{1}{ \sqrt{2} }

\qquad \sf  \dashrightarrow \:x = 45 \degree \:  \: or \:  \:  \frac{\pi}{4}  \: rad

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2 years ago
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3 years ago
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