What's the difference between this polynomials (9x² + 8x)  (2x² + 3x) ?
Remove the parentheses and combine the like terms. Like terms have same variable / same exponent.
(9x² + 8x)  (2x² + 3x) = 9x² + 8x  2x²  3x {removed parentheses, distributing negative sign through second set of parentheses} = 7x² + 5x {combined like terms} Ask the House
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