Mathematics
Mathematics, 23.09.2021 19:30, alexdonatalex1314

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

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Express in standard quadratic form ax? + bx + c = 0 so that a has a positive value. Write your sol...

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