(X2-1)2+8x(x2+1)+19x2
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here is your answer........
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aaditya59:
its wrong
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2 ( x² - 1 ) + 8x ( x² + 1 ) + 19x²
➡ 2x² - 2 + 8x³ + 8x + 19x²
➡ 8x³ + 21x² + 8x - 2
➡ 2x² - 2 + 8x³ + 8x + 19x²
➡ 8x³ + 21x² + 8x - 2
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