Question

Factories.
${(2x - 3)}^{2} - 8x + 12$

Answer 1

$(2x - 3)^{2} - 8x + 12 = 0 \\ 4x ^{2} - 12x + 9 - 8x + 12 = 0 \\ {4x}^{2} - 20x + 21 = 0 \\ {4x}^{2} - 6x - 14x + 21 = 0 \\ 2x(2x - 3) - 7(2x - 3) = 0 \\( 2x - 3)(2x - 7) = 0 \\ 2x - 3 = 0 ...........2x - 7 = 0 \\ x = \frac{3}{2} .....................x = \frac{7}{2}$
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