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Magazine Problem 31
In Exercises \(27-44,\) factor completely, or state that the polynomial is prime. $$x^{2}+36$$
Problem 31
Use the method of your choice to factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$15 y^{2}-y-2$$
Problem 31
Factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$r^{2}+12 r+27$$
Problem 31
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. $$6 x^{2}+8 x$$
Problem 32
Use factoring to solve quadratic equation. Check by substitution or by using a graphing utility and identifying \(x\)-intercepts. \(9 x^{2}=30 x-25\)
Problem 32
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. $$12 x^{2}-4 x^{4}$$
Problem 32
Factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$r^{2}-15 r-16$$
Problem 32
In Exercises \(27-44,\) factor completely, or state that the polynomial is prime. $$x^{2}+4$$
Problem 32
Use the method of your choice to factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$15 y^{2}+13 y-2$$
Problem 32
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. $$21 x^{2}-35 x$$
