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vodka [1.7K]
3 years ago
14

F(x)=-2(x-3)(x+5) convert quadratic functions to standard form​

Mathematics
1 answer:
jasenka [17]3 years ago
4 0

Answer:

The answer is: f(x) = -2x^2 - 4x + 30

Step-by-step explanation:

Given:

f(x)=-2(x-3)(x+5)

Solve (x-3)(x+5) first, then multiply by -2:

f(x) = -2[(x - 3)(x + 5)]

f(x) = -2[x^2 -3x + 5x - 15]

f(x) = -2[x^2 + 2x - 15]

f(x) = -2x^2 - 4x + 30

Hope this Helps!! Have an Awesome Day!! (-:

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3 years ago
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»»————- ★ ————-««

I believe your answer is:  

c=\frac{j}{u}; u\neq 0

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

\boxed{\text{Solving for 'c'...}}}\\\\j = uc  \\------------\\\rightarrow \frac{j=uc}{u}\\\\\rightarrow \frac{j}{u}=c\\\\\rightarrow \boxed{c=\frac{j}{u}}}; u\neq 0

⸻⸻⸻⸻

»»————- ★ ————-««  

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