Wzór skróconego mnożenia:
(a² - b²) = (a + b)(a - b)
[tex]a) \ 9a^{2}-100 = (3a+10)(3a-10)\\\\b) \ 144-y^{2} = (12+y)(12-y)\\\\c) \ 1-9x^{2} = (1+3x)(1-3x)\\\\d) \ 49x^{2}-9y^{2} = (7x+3y)(7x-3y)\\\\e) \ 64x^{2}-25y^{2} = (8x+5y)(8x-5y)\\\\f) \ 169x^{2}-225 = (13x+15)(13x-15)[/tex]
