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26-03-2021
Mathematics

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Please help me with 1 and 2 and show me how you get it and the answers

Please help me with 1 and 2 and show me how you get it and the answers class=

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anarmmm anarmmm

26-03-2021

Step-by-step explanation:

1. a²=25²-15²

a²=(25-15)(25+15)

a²=10×40

a=20

2.b²=10²-6²

b²=(10-6) ×(10+6)

b²=4×16

b=8

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