ПОМОГИТЕ ДАЮ 50 БАЛОВ № 124,
разложите на множители:
1)(3b-5)^2-49
2)(2X-3)^2-(X+4)^2
3)A^4-(A-7)
4)(a-b+c)^2-(a-b-c)
№ 125.
1)x^2-64=0
2)4x^2-25=0
3)9x^2+16=0
4)(2x-3)^2-36=0
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