Question

5
9. (x-6) (x + 7) = (x + 3) (x – 11)​

Answer 1

Answer:

1

Explanation:

x( x+7)-6(x+7) = x( x - 11 ) +3 ( x - 11)

x² + 7x - 6x - 42 = x² - 11x + 3x - 33

x² - x² +7x + 11x - 6x - 3x = -33 + 42

9x = 9

x = 9/9

x=1

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Answer 2

Answer:

1

Explanation:

x(x-6)+7(x-6) =x(x-11)+3(x-11)

x×x-6x+7x-42=x×x-11x+3x-33

x×x+x-42=x×x-8x-33

x-42=-8x-33

x+8x=42-33

9x=9

x=1