angel87 angel87

06-03-2016
Mathematics

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square bionomial of (2x+3)^2

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spectre spectre

06-03-2016

2x + 3
2x + 3

2x * 2x = 2x^2
2x * 3 = 6x
2x * 3 = 6x
3 * 3 = 9
Add them all up

2x^2 + 12x + 9

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