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Elodia [21]
2 years ago
5

Please help me this is due very soon!(Q13)

Mathematics
1 answer:
Klio2033 [76]2 years ago
5 0

Answer:

Step-by-step explanation:

9)  (25-x^2 )(a+2) = (5-x)(5+x)(a+2)

11) 9(v-3)+u^2(3-v)

   9(v-3)+u^2( -v+3)

   9(v-3)-u^2( v-3)

   (9-u^2)(v-3)

 (3-u)(3+u)(v-3)

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