Verifica polinomi

 $(18x^5y^2–24x^4y^3+30x^6y^4):(–6x^3y^2)=$  

•  $-\frac{1}{3}x^2+4xy+5x^3y$  

•  $–3x^2+4xy–5x^3y$  

•  $–3x^2+\frac{1}{5}xy^2–5x^3y2$  

•  $+3x^2-4xy\ –9\ x^3y$  

 $\left(-10a^3b^4\ +6a^2b^8\ \right):\ _{.....................}=+5a^3b^2\ -3a^2b^6$  

•  $-2b^2$  

•  $+5ab^2$  

•  $-\frac{1}{2}a^2b$  

•  $-2b$  

 $\left(\frac{1}{4}m+n\right)\ \left(\frac{1}{4}m-n\right)=$  

•  $\frac{1}{16}m^2-n^2$  

•  $\frac{1}{8}m^2-n^2$  

•  $\left(\frac{1}{4}m+n\right)^2$  

•  $-\frac{1}{4}m^2n^2$  

 $\left(\frac{3}{8}xy^{10}\ -\ x^6\right)\ \left(\frac{3}{8}xy^{10}\ +\ x^6\right)=$  

•  $\frac{9}{8}x^2y^{100}\ -\ x^{36}$  

•  $\frac{3}{8}x^2y^{20}\ -\ x^{12}$  

•  $\frac{9}{64}x^2y^{20}\ -\ x^{12}$  

•  $\frac{9}{64}x^2y^{100}\ +\ x^{36}$  

 $\left(-4-3b\right)^2=$  

•  $16-12b+9b^2$  

•  $16+12b+9b^2$  

•  $16-24b+9b^2$  

•  $16+24b+9b^2$  

 $\left(\frac{4}{5}a^3+\frac{5}{2}bc\right)^2=$  

•  $\frac{16}{25}a^9\ +2a^3bc+\frac{25}{4}b^2c^2$  

•  $\frac{16}{5}a^6\ +2a^3bc+\frac{25}{2}a^3b^2c^2$  

•  $\frac{16}{25}a^6\ +4a^3bc+\frac{25}{4}b^2c^2$  

•  $\frac{16}{25}a^3\ +4a^3bc+\frac{25}{4}bc$  

 $\left(3ab+2a^2c\right)^3=$  

•  $27a^3b^3+54a^4b^2c+36a^5bc^2+8a^6c^3$  

•  $27a^3b^3+6a^3bc+12a^4bc^2+8a^6c^3$  

•  $27a^3b^3+12a^3b^2c^2+36a^5bc^2+8a^9c^3$  

•  $27a^3b^3-54a^4bc^2+36a^4bc^2+8a^6c^3$  

Semplifica la seguente espressione:

 $(a+b)\ (a–b)–2a\ (a–2b)+(a+b)^2$  

•  $4a^2\ +2ab$  

•  $12ab$  

•  $6ab$  

•  $-2ab$  

Semplifica la seguente espressione:

 $(2a^2–5b^2)(2a^2+5b^2)+(a^2+4b^2)^2\ –\ (–2a)(–4ab^2)$  

•  $5a+b^2-5ab$  

•  $5a^4-9b^4$  

•  $5a^4-8a^3b^2$  

•  $4a^4-8b^4$  

Semplifica la seguente espressione:

 $[(4x^2–y^2)–(3x+y)(3x–y)]:(–3x^2)$  

•  $\frac{1}{4}x^2+y$  

•  $\frac{3}{4}xy$  

•  $\frac{10}{3}x^2$  

•  $\frac{5}{3}$