(2x-5y)(-2x-5y) pake cara ya

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(2x-5y)(-2x-5y) pake cara ya

Jawaban Terkonfirmasi

(2x-5y)(-2x-5y)
-4x²-10xy+10xy+25y²
-4x²+25y²

(2x-5y)(-2x-5y)=2x(-2x-5y)-5y(-2x-5y)
=-4x^2-10yx+10yx+25y^2
=-4x^2+25y^2