challengesissters challengesissters

30-04-2020
Mathematics

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hellllp x^2+14x+21=0

Respuesta :

kindthrifts kindthrifts

30-04-2020

Answer:

Step-by-step 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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