Question

Factorise:
This for 20 marks​

Answer 1

Answer:

Step-by-step explanation:

2x^2-17x-30 = 2x^2 -20x + 3x -30

2x(x-10) + 3(x-10)

(2x+3)(x-10)

Thus, the answer (2x+3)(x-10)

Hope it helped you!

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Answer 2

$2x^{2} - 17x - 30 = 0\\\\2x^{2} - (20x - 3x) - 30 = 0\\\\2x^{2} - 20x + 3x - 30x = 0\\\\2x(x-10) - 3(x-10) = 0\\\\(x-10) (2x-3) = 0\\\\x = 10\\x = -3/2$