Разложите на множители y^2-2y-24 и 64y^4+1

1) [latex] y^{2} -2y-24= y^{2} -6y+4y-24=y(y-6)+4(y-6)=\\ (y+4)(y-6)[/latex] 2) [latex]64 y^{4}+1=64y ^{4} +16 y^{2} -16 y^{2}+1=(8y ^{2} +1) ^{2} -16 y^{2} =\\ (8y ^{2}+1) ^{2} -4 ^{2} y^{2} =(8y ^{2} +1-4y)(8 y^{2}+1+4y) [/latex]