Question

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Answer 1

Explicación paso a paso:

Formula de binomio al  cuadrado: (a ± b)² = a² ± 2ab + b²

(2x+1)² = 4x²+4x+1

(3x+2)² = 9x²+12x+4

(x+3)² = x²+6x+9

(2x+5)² = 4x²+20x+25

(5x+3y)² = 25x²+30xy+9y²

(3x-1)² = 9x²-6x+1

(2x-3)² = 4x²-12x+9

(x-2)² = x²-4x+4

(2x-5)² = 4x²-20x+25

(3x-2y)² = 9x²-12xy+4y²

Formula de binomios conjugados: (a + b)(a - b) = a² - b²

(x+1)(x-1) = x²-1

(3x+2)(3x-2) = 9x²-4

(2x+3)(2x-3) = 4x²-9

(5x-2y)(5x+2y) = 25x²-4y²

(2x+3y)(2x-3y) = 4x²-9y²