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22-09-2021
Mathematics

contestada

Express in standard quadratic form ax? + bx + c = 0 so that a has a positive value. Write your
solution after each number.
9. 3(x2-5) = 4x

10. 2x(x + 4) = 42

11. 3x -9 = x2 -7x

Respuesta :

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22-09-2021

9 is x = -4
10 is x = 5
11 is x = -1

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