Question

a) Divide : 12x2-27 by 2x + 3
b) Find the cube root of 21.952

Answer 1

Answer:

a) (6x-9)

b) 2.8

Step-by-step explanation:

$a) \: \frac{12{x}^{2} - 27}{(2x + 3)} \\ = \frac{3(4 {x}^{2} - 9)}{(2x + 3)} \\ = \frac{3(2x - 3)(2x + 3)}{(2x + 3)} \\ (6x - 9)$

$b)\sqrt[3]{21.952} = 2.8$

Answer 2

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