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# Factoring Binomial, Difference Of Two Perfect Squares

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### Factoring Binomial, Difference Of Two Perfect Squares

1. 1. By Jorge Peralta
2. 2. <ul><li>A easy way to remember how to factor a trinomial when a does not equal to 1 is to think about My Friend Does Math which stands for Multiply, Factor out, Divide, and Multiply. 1.The first step is to multiply using distributive property. </li></ul><ul><li>5x 2 +x-2=x 2 +6+9 </li></ul><ul><li>2.Then you factor out 9 </li></ul><ul><li>x 2 +x+6+9 3 3 </li></ul><ul><li>6 </li></ul><ul><li>3. After you factor out you must divide </li></ul><ul><li>x 2 +6+9 </li></ul><ul><li>(x+3) (x+3) = (x+3) (x+2) </li></ul><ul><li>1 1 </li></ul>
3. 3. <ul><li>X2+6+9 </li></ul><ul><li>9 </li></ul><ul><li>3 3 </li></ul><ul><li>6 </li></ul><ul><li>(x + 3) (x+3) </li></ul>
4. 4. <ul><li>When your factoring out a binomial you must first of course factor it out then you must plug in the factored numbers into the parenthesis. </li></ul><ul><li>25 – a 2 </li></ul><ul><li>5 5 a a </li></ul>