Math 17 TWHFW-7Ex 1 (HW 4) Part IPlease do the exercises as indicated. Write down all final answers on aseparate piece of paper.I. Present the completely factored out form of the following:1. 2x4-20x3-2x2y2z4+ 16x2yz2+ 18x22. 3(x-y)2-x+y-23.a6n-64b6n4. (pq-r)(3pq+ 2r) + (p2q2-r2)5.s4+ 2s2t2+ 9t46.s4-10s2t2+ 9t47. 6x4-7x3-4x2+ 7x-2II. Simplify the following expressions:Consider all “radicands” as positive and all
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