Respuesta :

carolineandlily

You can use (a+b)2 = a2+2ab+b2.
(2x - 3)2 = (2x)2 + 2(2x)(-3) + (-3)2 = 4x2 - 12x + 9

Or you can use FOIL.

(2x - 3)2 = (2x - 3)(2x - 3) = (2x)2 + (2x)(-3) + (-3)(2x) + (-3)2 = 4x2 - 12x + 9



hope I could be helpful

Astute
[tex]Simplify \ ( 2x+2 )^3 \\\\ we \ then \ would \ take \ out \ all \ the \ exponents. \\ \\ \left[\begin{array}{ccc} 2x+2 = 2 * (x+1) \end{array}\right] \\ \\ we \ would \ then \ retract \ them, \ and \ by \ this, \ we \\ add \ the \ exponents \ back \ to \ it's \ original \ place. \\ \\ (FINAL \ ANSWER) \swarrow \\ \\ \boxed{\boxed{ (2)^3 * (x + 1)^3}}[/tex]

Otras preguntas