Question

binomios conjugados

$(5x - 2y)(5x + 2y)$
$(7x - 2y)(7x + 2y)$
$(8x - 2y)(8x + 2y)$
$(10x - 2y)(10x + 2y)$
$(5x - 2y)(5x + 2y)$
$(4x - 3y)(4x + 3y)$
$(6x - 4y)(6x + 4y)$
$(5x - 2y)(5x + 2y)$
$(8x - 4y)(8x + 4y)$

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Answer 1

Respuesta:

$25x^2-4y^2$

$49x^2-4y^2$

$64x^2-4y^2$

$100x^2-4y^2$

$25x^2-4y^2$

$36x^2-16y^2$

$25x^2-4y^2$

$64x^2-16y^2$

Explicación paso a paso:

$(a-b)(a+b)=a^2-b^2$