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gogolik [260]
3 years ago
11

30 POINTS HELP PLEASE

Mathematics
1 answer:
Reptile [31]3 years ago
8 0

Answer:

\large\boxed{a=-3,\ b=-7\ and\ c=3}

Step-by-step explanation:

ax^2+bx+c=0

We have:

-3a^2=7a-3          <em> subtract 7a from both sides</em>

-3a^2-7a=7a-7a-3

-3a^2-7a=-3           <em>add 3 to both sides</em>

-3a^2-7a+3=-3+3\\\\-3a^2-7a+3=0\to a=-3,\ b=-7, c=3

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3 years ago
Please help anyone and explain please
umka2103 [35]

So if you distribute 4 in the first parentheses, you get 12x+20y+8z.

Then you distribute 3 in the second parentheses. You'll get 3x-3z. That all equals 12x+20y+8z+3x-3z.

Now you have to start combining numbers with the same variable. Start with x. 12x+3x is 15x.

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3 years ago
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Y=4x
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