Question

What is the factorisation of 3x^2 − 13 − 10?​

Answer 1

Step-by-step explanation:

3x² - 13 -10

3x²-23

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Answer 2

Step-by-step explanation:

$3 {x}^{2} - 13x - 10 \\ = 3 {x}^{2} - (15 - 2)x - 10 \\ = 3 {x}^{2} - 15x + 2x - 10 \\ = 3x(x - 5) + 2(x - 5) \\ = (x - 5)(x + 2)$