Question

20a^3 x^2-5a^2-12a
Factorise

Answer 1

Step-by-step explanation:

$20{a}^{3} {x}^{2} + 5{a}^{2} -12a \\ 20 {a}^{3}{x}^{2} + 8 {a}^{2} - 3 {a}^{2} - 12a \\ 4 {a}^{2}(5a {x}^{2}+ 2) - 3a(a - 4)$

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