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Quantitative Aptitude
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Find the sum ...
Question
Find the sum of 5x², -7x², 8x², 11x² and -9x² .
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Solution
Sum = 5x²+ (-7x²)+ 8x²+ 11x²+(-9x²)
= {5 + (-7) + 8 + 11 + (-9)} x²
= 8x².
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