Question

multiplicar productos notables
1. (x+2)²
2.(a+3)²
3.(r-2)²
4.(2x-1)²
5.(7a-2b)²
6.(4a-3b)²
7.(2x+7)(3x+2y)
8.(5x²-1)(5x²-1)
9.(2x³-0.3)(2x³+0.3)

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Answer 1

Respuesta:

la 1) My Queen:

${(x + 2)}^{2} = ( x + 2)(x + 2) \\ = {x}^{2} + 2x + 2x + 4 \\ = {x}^{2} + 4x + 4$