a. 7x - Sx^2 + x - x b. 9ab + 5b^2 + 6ab + b^2 c. 4xy - 10xy + 6Sxy d. 30(2a + 6) + (7 - Sa) 3 1 2pq pq pq + Spq 4 2 f - fig + 4fg? Sfg + flg
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7x - Sx^2 + x - x Simplifying the expression, we have: 7x - Sx^2 + x - x = 7x - Sx^2 b. 9ab + 5b^2 + 6ab + b^2 Combining like terms, we have: 9ab + 5b^2 + 6ab + b^2 = 15ab + 6b^2 Show more…
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