Respuesta:
(2a+5b)(2a+5b) = 4a²+20ab+25b²
(6m-3n)(6m+3n) = 36m²-9n²
(-2x+5y)(2x+5y) = -4x²+25y²
(4g+2h)(4g+2h) = 16g²+16gh+4h²
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Respuesta:
(2a+5b)(2a+5b) = 4a²+20ab+25b²
(6m-3n)(6m+3n) = 36m²-9n²
(-2x+5y)(2x+5y) = -4x²+25y²
(4g+2h)(4g+2h) = 16g²+16gh+4h²