Math, asked by imtapan0101, 5 months ago

(-a+3b+7c) ^2 expand it

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Answered by tennetiraj86

Answer:

answer for the given problem is given

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Answered by MagicalBeast

Answer:

(-a+3b+7c)² = (-a)² + (3b)² +(7c)² +2(-a)(3b) +2(-a)(7c) +2(3b)(7c)

=> a² + 9b² + 49c² - 6ab - 14ac + 42bc

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Heya guys!! <br /><br /> $\frac{3x - 6}{4} + \frac{3}{1} - \frac{5y - 4}{2} = \frac{5y}{2} \\ \frac{y -x }{4} + \frac{x}{8} - \frac{7x - 5y}{3 } = y - 2x$ <br />Plzzz help me!!