Answers

2016-06-25T15:42:56+08:00
1. 3x²+21<br />2. 2s²-8<br />3. w²+10w+21<br />4.x²+7x-18<br />5.2t²+9t-5<br />6.2x²+8x+10<br />7.4r²-20r+25 8. - 9.4h²-49 10. -
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