Разложите на множители

1) $x^{2} -4=(x-2)(x+2)$

2) $25-9a^{2} =(5-3a)(5+3a)$

3) $36m^{2} -100n^{2} =4(3m-5n)(3m+5n)$

4)[tex]0,04p^{2} -1,69q^{2}=\frac{1}{100}*(2p-13q)(2p+13q)" alt="

4)[tex]0,04p^{2} -1,69q^{2}=\frac{1}{100}*(2p-13q)(2p+13q)" align="absmiddle" class="latex-formula">

5) $x^{2}y^{2}-\frac{4}{9}=(xy-\frac{2}{3})(xy+\frac{2}{3})$

6) $a^{4}-b^{6}=(a^{2}-b^{3})(a^{2}+b^{3})$

7) $0,01c^{2}-d^{8}=(\frac{1}{10}c-d^{4})(\frac{1}{10}c+d^{4})$

8)0,81y^{10}-400z^{12}=(\frac{9}{10}y^{5}-20z^{6})(\frac{9}{10}y^{5}+20z^{6})

9) $-1+49a^{4}b^{8}=(7a^{2}b^{4}-1)(7a^{2}b^{4}+1)$

10) $1\frac{7}{9}m^{2}n^{2}-1\frac{11}{25}a^{6}b^{2}=\frac{1}{225}*(175m^{2}n^{2}-99a^{6}b^{2})$

Разложите ** множители