![Amazon.com: Mathematics for High School Teachers- An Advanced Perspective: 9780130449412: Usiskin, Zalman, Peressini, Anthony L., Marchisotto, Elena, Stanley, Dick: Books Amazon.com: Mathematics for High School Teachers- An Advanced Perspective: 9780130449412: Usiskin, Zalman, Peressini, Anthony L., Marchisotto, Elena, Stanley, Dick: Books](https://m.media-amazon.com/images/I/41fBetVq63L._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingTHREEANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA20%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: Mathematics for High School Teachers- An Advanced Perspective: 9780130449412: Usiskin, Zalman, Peressini, Anthony L., Marchisotto, Elena, Stanley, Dick: Books
![Amazon.com: Mathematics for High School Teachers- An Advanced Perspective: 9780130449412: Usiskin, Zalman, Peressini, Anthony L., Marchisotto, Elena, Stanley, Dick: Books Amazon.com: Mathematics for High School Teachers- An Advanced Perspective: 9780130449412: Usiskin, Zalman, Peressini, Anthony L., Marchisotto, Elena, Stanley, Dick: Books](https://m.media-amazon.com/images/I/31bwtECuRpL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Mathematics for High School Teachers- An Advanced Perspective: 9780130449412: Usiskin, Zalman, Peressini, Anthony L., Marchisotto, Elena, Stanley, Dick: Books
![Me and my friend have been working on this, seems to be a new way to solve third degree polynomials, we're both sophomores in high school. : r/math Me and my friend have been working on this, seems to be a new way to solve third degree polynomials, we're both sophomores in high school. : r/math](https://preview.redd.it/me-and-my-friend-have-been-working-on-this-seems-to-be-a-v0-2eztrxkoslg81.jpg?width=250&format=pjpg&auto=webp&s=0527dcdf69b192efac5d3d73ee029ea0e63f4b29)