Разложите на множители плиз помагите
1)9x(^2)-4
2)4a(^2)-25
3)16-49y(^2)
4)9a(^2)-4b(^2)
5)16m(^2)-9n(^2)
6)25x(^2)-y(^2)
7)4x(^2)-1
8)1-36a(^2)
1.(3х-2)(3х+2)
2.(2а-5)(2а+5)
3.(4-7у)(4+7у)
4.(3а-2b)(3a+2b)
5.(4m-3n)(4m+3n)
6.(5x-y)(5x+y)
7.(2x-1)(2x+1)
8.(1-6a)(1+6a)
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Answers & Comments
1.(3х-2)(3х+2)
2.(2а-5)(2а+5)
3.(4-7у)(4+7у)
4.(3а-2b)(3a+2b)
5.(4m-3n)(4m+3n)
6.(5x-y)(5x+y)
7.(2x-1)(2x+1)
8.(1-6a)(1+6a)