Step-by-step explanation:
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Step 1:
[tex](2x + 3)(2x - 4)[/tex]
Write the equation
step 2:
[tex] = 4 {x}^{2} - 8x + 6x - 12[/tex]
open brackets and multiply (2x+3) with (2x-4)
step 3:
[tex] = 4 {x}^{2} - 2x - 12[/tex]
subtract -8x and +6x
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