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What is 5x²+7x-9-4x²-x+18?
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What is 5x²+7x-9-4x²-x+18?

User Cong Chen
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2 Answers

5 votes

Answer:

5X²+7X-9-4X²-X+18

5X²-4X²+7X-X+18-9

X²+6X+9 =0

X²+(3X+3X)+(3×3)=0

ALL FACTORS ARE =3,3 that is pdt of factor 3×3 =9 sum =3+3 =6

(X+3) ( X+3) =0

X+3 =0

X=-3

ANS = X=-3

Explanation:

User RunHolt
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3.1k points
11 votes
X^2+6x+9 should be correct
User Florieger
by
3.1k points
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