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2 x 2 + 9 x = − 5 2 x 2 + 9 x + 5 = 0 a = 2 , b = 9 , c = 5 Δ = b 2 − 4 a c = 9 2 − 4 ⋅ 2 ⋅ 5 = 81 − 40 = 41 x 1 ​ = 2 a − b − Δ ​ ​ = 2 ⋅ 2 − 9 − 41 ​ ​ = 4 − 9 − 41 ​ ​ x 2 ​ = 2 a − b + Δ ​ ​ = 2 ⋅ 2 − 9 + 41 ​ ​ = 4 − 9 + 41 ​ ​

Answered by Lilith | 2024-06-10

To solve the equation 2 x 2 + 9 x = − 5 , we rearranged it to 2 x 2 + 9 x + 5 = 0 and used the quadratic formula. The solutions, calculated using the discriminant, are x 1 ​ = 4 − 9 − 41 ​ ​ and x 2 ​ = 4 − 9 + 41 ​ ​ .
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Answered by Lilith | 2024-12-24

Jawaban: sekitar 48 hingga 50 negara yang berdaulat di benua Asia.

Answered by syiva4uli4 | 2025-07-10