問題文全文(内容文)：
$x^3(x^2-28)=-171x$を解け。

問題文全文(内容文)：
Let's enjoy oriental mathematics for just a little while.
You will discover a cute world from mathematics.
Everyone in the world should love and be good at mathematics.

We are introducing the entrance exam questions for Japanese high schools.
It's an important issue for you to understand the basics of mathematics.
Would you like to solve this math problem and check out our commentary?

問題文全文(内容文)：
$\displaystyle \frac{\sqrt{ y }}{\sqrt{ x }}-\displaystyle \frac{\sqrt{ x }}{\sqrt{ y }}=3$のとき

$\displaystyle \frac{5x^2-54xy+5y^2 }{xy}=??$
($x,y$は正の数)

出典：西大和学園中学校・高等学校　2024

問題文全文(内容文)：
$2(x+1)(x+3)-(x+2)^2+1$を因数分解しなさい.

東京電機大高校過去問

問題文全文(内容文)：
$(x^{2}+x+1)^{3}$を展開して整理した時の $x^{2}$ の係数を答えよ