<span>[x + 2 - (5x + 5)] ² =
[x + 2 - 5x - 5]² =
[x - 5x + 2 - 5]² =
[-4x - 3]² =
(-4x)² - 2.(-4x).3 + (-3)² =
16x² + 24x + 9
Answer:
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Your answer would be <em><u>2*10^2 + 1*10^1 + 5*1^1</u></em>
1) 12
2) 2y
3) 12+2y
4) 12+2y
Test one would be the worst one