Question

Maths class 8 solve this​

Answer 1

Answer:

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Step-by-step explanation:

$(x - 6)(x - 7) \\ = > {x}^{2} - 7x - 6x + 42 \\ = > {x}^{2} - 13x + 42$

Answer 2

Answer:

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Step-by-step explanation:

(x - 6)(x - 7)

= x (x - 7) - 6(x - 7)

= x² - 7x - 6x + 42

= x ² - 13x +42