Subtract 2 16/21 - (-8 5/21). reduce if possible
1 answer:
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It's b. -1,-2,-4,-8,-16,-32
because
because
Answer:
x - 3
Step-by-step explanation:
Given
Note that x² - 9 is a difference of squares and factors as
x² - 9 = (x + 3)(x - 3), thus
Cancel the x+ 3 factor on the numerator/ denominator leaving
x - 3 ← in simplified form