Ответ:
[tex]1)16 - b { \\ }^{2} = (4 - b)(4 + b)[/tex]
[tex]2)c {}^{2} - 49 = (c - 7)(c + 7)[/tex]
[tex]3)0.04 - {a}^{2} =( 0.2 - a)(0.2 + a)[/tex]
[tex]4x {}^{2} - 25 = (2x - 5)(2x + 5)[/tex]
[tex]81c {}^{2} - 64d {}^{2} = (9c - 8d)(9c + 8d)[/tex]
останнє не зрозуміла
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Ответ:
[tex]1)16 - b { \\ }^{2} = (4 - b)(4 + b)[/tex]
[tex]2)c {}^{2} - 49 = (c - 7)(c + 7)[/tex]
[tex]3)0.04 - {a}^{2} =( 0.2 - a)(0.2 + a)[/tex]
[tex]4x {}^{2} - 25 = (2x - 5)(2x + 5)[/tex]
[tex]81c {}^{2} - 64d {}^{2} = (9c - 8d)(9c + 8d)[/tex]
останнє не зрозуміла