Question

factorise the following x square - 11 x + 28​

Answer 1

Heya❤

$x {}^{2} - 11x + 28 \\ x {}^{2} - 7x - 4x + 28 \\ x(x - 7) - 4(x - 7) \\ (x - 4)(x - 7) \\ \\ now.. \\ x - 4 = 0 \\ x = 4 \\ \\ x - 7 = 0 \\ x = 7$

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Answer 2

Answer:

x²-11 x + 28

x²-7x-4x+28

x(x-7)-4(x-7)

(x-4)(x-7)