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B. Find the solutions of the following quadratic equation using the quadratic formula. Show your solution.
1. x² + 10x =–9
2. x²–4x + 12 = 0
3.2x² + 7x +9 = 0
4.3x²–4x = 0
5.3x² +4x =–3
6.x² + 7x = 4
7. x² + 5x = 9
8.x² + 3x –4=0
9.2x² + 5x = -6
10.x² + 9x = 6​


Sagot :

Answer:

Find the roots of the following quadratic equation using any of the method

(Extracting Square Roots, Factoring, Completi...

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