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2.1 x 2.1 -0.9 x 0.9 a) 2.1 -0.9​
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2.1 x 2.1 -0.9 x 0.9
a)
2.1 -0.9​

User Vivekh
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1 Answer

6 votes

3.6

2.1(2.1) - 0.9(0.9)

4.41 - 0.81 = 3.6

User Keith Nicholas
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5.3k points
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