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Ksenya-84 [330]
3 years ago
5

PLS HELP ILL REWARD A LOT

Mathematics
2 answers:
Scorpion4ik [409]3 years ago
5 0

Answer:

{x}^{2}  - 7x - 18 \\  {x}^{2}  - 9x + 2x - 18 \\ ( {x}^{2} - 9x) + (2x - 18) \\ x(x - 9) + 2(x - 9) \\ (x - 9)(x + 2)

Arlecino [84]3 years ago
5 0

Answer:

-2 or 9

Step-by-step explanation:

x² - 7x - 18

-9 and 2

x² - 9x + 2x - 18

x( x - 9) + 2(x - 9)

(x + 2) (x - 9)

x = -2 or x = 9

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Here, we are required to find the area of the paper board given after the semicircle is cut out of it

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