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Mathematics
Cassandra Hamilton
17 March, 02:36
Xsquared-8x+18 - (5xsquared-10x+7)
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Jimmy Petty
17 March, 06:30
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Your answer is 3x^2+2x+9
you add like terms and change the signs of the numbers inside the parentheses before combining the terms
8x^2 - 5x^2 = 3x^2
-8x + 10x = 2x because the negative changes the sign to positive
18 - 7 = 9
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