1)7x-14xb=7x(1-2b) 2)3x^4-9x^6=3x^4(1-3x^2) 3)1/4m^6-4m^2=1/4m^2(m^4-16)=(1/2m)^2*(m^2-4)(m^2+4)=(1/2m)^2*(m^2+4)(m-2)(m+2)
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1)7x-14xb=7x(1-2b) 2)3x^4-9x^6=3x^4(1-3x^2) 3)1/4m^6-4m^2=1/4m^2(m^4-16)=(1/2m)^2*(m^2-4)(m^2+4)=(1/2m)^2*(m^2+4)(m-2)(m+2)