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3 years ago

Find the solutions to the equation below 9x^2 -81=0

Mathematics

1 answer:

Afina-wow [57]3 years ago

3 0

Step-by-step explanation:

−

√

x=2a−b±b2−4ac

Once in standard form, identify a, b, and c from the original equation and plug them into the quadratic formula.

−

9x^{2}-81=0

9x2−81=0

a=9

b={\color{#e8710a}{0}}

b=0

−

c={\color{#129eaf}{-81}}

c=−81

−

⋅

(

−

)

√

⋅

x=2⋅9−0±02−4⋅9(−81)

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tia_tia [17]

Answer:

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Step-by-step explanation:

we have the ratio

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HACTEHA [7]

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So, Net charge = $\frac{1}{4} - \frac{1}{3}-\frac{3}{4} + \frac{7}{10}$

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= $-\frac{2}{4}- \frac{1}{3} + \frac{7}{10}$

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3 years ago

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