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23-04-2021
Mathematics

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Find the roots of the following factored quadratic equation.
y = (4x - 7) (8x +9)

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YucksFath YucksFath

23-04-2021

Step-by-step explanation:

[tex](4x - 7)(8x + 9) \\ = 4x \: . \: 8x + 4x \: . \: 9 + ( - 7 \: . \: 8x) + ( - 7 \: . \: 9) \\ = 32 {x}^{2} + 36x + ( - 56x) + ( - 63) \\ = 32 {x }^{2} - 20x - 63[/tex]

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