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3 votes
Hellllp x^2+14x+21=0

1 Answer

4 votes

Answer:

Explanation:

x^2 + 14x + 21 = 0

use the quadratic formula: x equals negative b plus or minus the square root of b squared minus 4(a)(c) divided by 2(a)

≈ −12.292

≈ −1.708

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