Use benchmarks to estimate 16.18 minus 5.94
1 answer:
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Answer:
(x² - 3)(x² + 3)
Step-by-step explanation:
- 9 ← is a difference of squares and factors in general as
a² - b² = (a - b)(a + b) , thus
- 9
= (x² )² - 3²
= (x² - 3)(x² + 3)
