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Ingrid Steele
Mathematics
27 March, 14:53
Solve x^2 + 5x - 14 = 0
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2
)
Kahlua
27 March, 14:58
0
x = - 7, x = 2
Step-by-step explanation:
Given
x² + 5x - 14 = 0
Consider the factors of the constant term ( - 14) which sum to give the coefficient of the x - term ( + 5)
The factors are + 7 and - 2, since
7 * - 2 = - 14 and 7 - 2 = + 5, thus
(x + 7) x - 2) = 0 ← in factored form
Equate each factor to zero and solve for x
x + 7 = 0 ⇒ x = - 7
x - 2 = 0 ⇒ x = 2
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Miko
27 March, 15:05
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x = - 7, x = 2
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