Разложите на множители:
16x^2-81y^2
0.01m^2-2.25n^2
9a^2-0.64b^2
49x^2-100
0.36x^2-289
81a^2-2.56
9a^4-0.64b^6
16x^2-81y^2
0.01m^2-2.25n^2
9a^2-0.64b^2
49x^2-100
0.36x^2-289
81a^2-2.56
9a^4-0.64b^6
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Answers & Comments
0.01m^2-2.25n^2=(0.1m-1.5n)(0.1m+1.5n)
9a^2-0.64b^2=(9a-0.8b)(9a+0.8b)
49x^2-100=(7x-10)(7x+10)
0.36x^2-289=(0.6x-17)(0.6x+17)
81a^2-2.56=(9a-1.6)(9a+1.6)
9a^4-0.64b^6=(3a²-0.8b³)(3a²+0.8b³)