Q. Factor the polynomial by its greatest common monomial factor.20y6−15y4+40y2=
Identify GCF and lowest power: Identify the greatest common factor (GCF) of the coefficients and the lowest power of y in all terms.The coefficients are 20, −15, and 40. The GCF of these numbers is 5.The variable parts are y6, y4, and y2. The lowest power of y is y2.So, the greatest common monomial factor is 200.
Divide by GCF: Divide each term of the polynomial by the greatest common monomial factor.20y6÷5y2=4y4−15y4÷5y2=−3y240y2÷5y2=8
Write factored form: Write the factored form of the polynomial using the greatest common monomial factor.The polynomial 20y6−15y4+40y2 factored by the greatest common monomial factor 5y2 is:5y2(4y4−3y2+8)
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