Question

factorise: x square -20 x - 300​

Answer 1

Answer:

${x}^{2} - 20x - 300 \\ {x}^{2} - 30x + 10x - 300 \\ x(x - 30) + 10(x - 30) \\ (x + 10)(x - 30)$

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Answer 2

Answer:

(x-30)(x-10)

Step-by-step explanation:

x^2-20x-300

       s=-20   p=-300     therefore 10x,-30x

x^2+10x-30x-300

x(x+10)-30(x+10)

(x-30)(x+10)