# SOLUTION: Simplify the following: (-u2+4u-8) + (-u – 7) - (-8u2 + 9u + 1) Please help me find the answer NOTE: all of the 2's are the powers of the number in front of them

Algebra ->  Algebra  -> Decimal-numbers -> SOLUTION: Simplify the following: (-u2+4u-8) + (-u – 7) - (-8u2 + 9u + 1) Please help me find the answer NOTE: all of the 2's are the powers of the number in front of them      Log On

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 Question 38675: Simplify the following: (-u2+4u-8) + (-u – 7) - (-8u2 + 9u + 1) Please help me find the answer NOTE: all of the 2's are the powers of the number in front of themFound 2 solutions by checkley71, AnlytcPhil:Answer by checkley71(8403)   (Show Source): You can put this solution on YOUR website!-U~2+4U-8+-U-7+8U~2-9U-1 OR 7U~2-6U-16 OR (7U-2)(U+8)=0 OR 7U-2=0 OR 7U=2 OR U=2/7 & U+8=0 OR U=-8 Answer by AnlytcPhil(1278)   (Show Source): You can put this solution on YOUR website!``` (-u² + 4u - 8) + (-u – 7) - (-8u² + 9u + 1) To remove the parentheses put 1's just before them all 1(-u² + 4u - 8) + 1(-u – 7) - 1(-8u² + 9u + 1) Then use the distributive law remembering to take the sign + or - along with 1 when multiplying through: -u² + 4u - 8 - u - 7 + 8u² - 9u - 1 Combine the -u² with the +8u² and get 7u² Combine the +4u, -u, and -9u as -6u Combine the -8, the -7, and the -1 as -16 7u² - 6u - 16 If you like, you can factor that as (7u + 8)(u - 2) Edwin AnlytcPhil@aol.com```