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College Algebra & Trigonometry, 2018a

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1.2. FACTORING 27<br />

Exercises 1.2<br />

Factor each expression completely.<br />

1) 8a 2 b 3 +24a 2 b 2 2) 19x 2 y − 38x 2 y 3<br />

3) 13t 8 +26t 4 − 39t 2 4) 5y 5 +25y 4 − 20y 3<br />

5) 45m 4 n 5 +36mn 6 +81m 2 n 3 6) 125x 3 y 5 +60x 4 y 4 − 85x 5 y 2<br />

Factor each trinomial into the product of two binomials.<br />

7) a 2 +3a +2 8) y 2 − 8y − 48 9) x 2 − 6x − 27<br />

10) t 2 − 13t +42 11) m 2 +3m − 54 12) x 2 +11x +24<br />

Factor completely. Remember to look first for a common factor. If the polynomial<br />

is prime, state this.<br />

13) a 2 − 9 14) y 2 − 121 15) −49 + k 2<br />

16) −64 + t 2 17) 6x 2 − 54 18) 25y 2 − 4<br />

19) 200 − 2a 2 20) 3m 2 − 12 21) 98 − 8k 2<br />

22) −80w 2 +45 23) 5y 2 − 80 24) −4a 2 +64

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