x 3
x 1
x 5
x 9
x 0
If a + b = y, what is a2 + 2ab + b2?
If a + b = y, what is a<sup>2</sup> + 2ab + b<sup>2</sup>?
a2+2ab+b2 = (a+b)2
  • 2y
  • 4y2
  • y2
  • 2y2
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