2014-10-06T19:47:36-04:00
Time To FOIL!

1. 8n * 8n = 64n²

2. 8n * -4 = -32n

3. 8n * 4 = 32n

4. 4 * -4 = -16

Bring it all together:
64n² + 32n - 32n - 16
{"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/math/codecogs": 0, "mathtex.cgi": 0, "katex": 0, "math-container": 0, "wp-katex-eq": 0, "align": 0, "equation": 0, "x-ck12": 0, "texerror": 0}