Question

1.El tercer término del desarrollo de (2x+3) elevado a la 3 es: a.12 X b.54 X c.8 X^3 d.54 X^2

Answer 1

${(2x + 3)}^{3} = (2x + 3) \times (2x + 3) \times (2x + 3)$

$(2x + 3) \times (2x + 3) \times (2x + 3) = \\ \\ = ( {4x}^{2} + 6x + 6x + 9) \times (2x + 3) = \\ \\ = ( {4x}^{2} + 12x + 9) \times (2x + 3) = \\ \\ = ( {8x}^{3} + {12x}^{2} + {24x}^{2} + 36x + 18x + 27) = \\ \\ \\ = {8x}^{3} + {36x}^{2} + 54x + 27$

es la C

espero haberte ayudado