Show that (3m+8)²- 96m=(3m - 8)²
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(3m+8)²- 96m = (3m)²+2.3m.8 +(8)² - 96m
= 9m2+48m +64-96m
= 9m²-48m+64
= (3m)²-2.3m.8 +(8)²
= (3m-8)²
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