Question

Factorise :

${x}^{2} - 4x - 45$
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Answer 1

Heya!❤️

${x}^{2} - 4x - 45$

${x}^{2} + ( - 9 + 5)x - 45$

${x}^{2} - 9x + 5x - 45$

$x(x - 9) + 5(x - 9)$

$(x - 9)(x + 5)$

Hope this helps

@adiba31❤️

Answer 2

Answer:

x^2-4x-45

x^2-9x+5x-45

x(x-9) +5(x-9)

(x+5)(x-9)

Step-by-step explanation:

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