412brooke 412brooke

16-07-2018
Mathematics

contestada

Write the product as a trinomial.
A (2x + 3)(4x – 2)
B 8x2 + 8x – 6
3 6x2 + 13x – 6
4 6x2 – 5x – 6
5 6x2 – 13x – 6

Respuesta :

26-07-2018

[tex](2x+3)(4x-2)=(2x)(4x)+(2x)(-2)+(3)(4x)+(3)(-2)\\\\=8x^2-4x+12x-6=8x^2+8x-6\to B[/tex]

Used:

(a + b)(c + d) = ac + ad + bc + bd

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