Question

sole this answer correctly​

Answer 1

Step-by-step explanation:

19) x^2 - 10x - 119

=> x^2 + 7x - 17x - 119

=> x(x + 7) - 17(x +7)

=> (x - 17) (x + 7)

21) x^2 - 25x + 66

=> x^2 - 3x - 22x + 66

=> x(x - 3) - 22(x - 3)

=> (x - 22) ( x - 3)

22) x^2 + 27x + 140

=> x^2 + 20x + 7x + 140

=> x(x + 20) + 7(x + 20)

=> (x + 7) (x + 20)

23) x^2 - 6x - 72

=> x^2 - 12x + 6x -72

=> x(x - 12) + 6(x - 12)

=> (x + 6) (x - 12)

24) x^2 - 7x - 30

=> x^2 + 3x - 10x - 30

=> x(x + 3) - 10(x + 3)

=> (x - 10) (x + 3)

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