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Y_Kistochka [10]
3 years ago
5

I am very confused please solve and explain.

Mathematics
2 answers:
e-lub [12.9K]3 years ago
6 0

Answer:

c = \frac{b^2-R^2}{4a}

Step-by-step explanation:

Given

R= \sqrt{b^2-4ac}

Clear the radical by squaring both sides

R² = b² - 4ac ( subtract b² from both sides )

R² - b² = - 4ac ( multiply all terms by - 1 )

b² - R² = 4ac ( divide both sides by 4a )

\frac{b^2-R^2}{4a} = c

Goryan [66]3 years ago
6 0

Answer:

c=\frac{b^2-R^2}{4a}

Step-by-step explanation:

First, get rid of the square root by squaring both sides:R^{2}=b^{2}-4ac

Next, add 4ac to both sides: 4ac+R^{2}=b^{2}

Then, subtract R^{2} from both sides: 4ac=b^{2}-R^{2}

Finally, divide both sides by 4a to get your answer: c=\frac{b^2-R^2}{4a}

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