Question

a. 2x [(-3) + x] = 2 (-3) + 2 x 10​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

$2x( - 3) + x) = 2( - 3) +2 \times 10 \\ \\ - 6x + 2 {x}^{2} = - 6 + 20 \\ \\ 2 {x}^{2} - 6x = 14 \\ \\ 2( {x}^{2} - 3x) = 14 \\ \\ {x}^{2} - 3x = 7 \\ \\ {x}^{2} - 3x -7 = 0$

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