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Magazine Problem 38
In Exercises \(27-44,\) factor completely, or state that the polynomial is prime. $$3 y^{3}-75 y$$
Problem 38
Factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$x^{2}-9 x y+14 y^{2}$$
Problem 38
Now let's move on to factorizations that may require two or more techniques. In Exercises \(17-80,\) factor completely, or state that the polynomial is prime. Check factorizations using multiplication or a graphing utility. $$y^{2}-18 y-81$$
Problem 38
Factor each polynomial using the greatest common factor. If there is no common factor other than 1 and the polynomial cannot be factored, so state. $$26 y^{5}-13 y^{3}+39 y^{2}$$
Problem 38
Use the method of your choice to factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$8 x^{2}-22 x+5$$
Problem 38
Use factoring to solve quadratic equation. Check by substitution or by using a graphing utility and identifying \(x\)-intercepts. \(x^{2}-25=0\)
Problem 39
Now let's move on to factorizations that may require two or more techniques. In Exercises \(17-80,\) factor completely, or state that the polynomial is prime. Check factorizations using multiplication or a graphing utility. $$16 y^{2}-4 y-2$$
Problem 39
Factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$x^{2}-3 x y-18 y^{2}$$
Problem 39
Use the method of your choice to factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$9 y^{2}-9 y+2$$
Problem 39
Use factoring to solve quadratic equation. Check by substitution or by using a graphing utility and identifying \(x\)-intercepts. \(4 x^{2}-25=0\)
