Worksheet: Square of a Sum `(a + b)^2`

Worksheet

Instructions

Expand the following expressions. Click on Show Answer button to show a particular answer. Click on the answer itself to hide it. Use the buttons at the bottom to show/hide all answers

Question

Answer

`(2x + y)^2`

`4x^2 + y^2 + 4xy`

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`(3x + 4y)^2`

`9x^2 + 16y^2 + 24xy`

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`(5a + 10b)^2`

`25a^2 + 100b^2 + 100ab`

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`(x/4 + y/5)^2`

`x^2/16 + y^2/25 + (xy)/10`

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`(a/3 + b/7)^2`

`a^2/9 + b^2/49 + (2ab)/21`

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