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Write (2X -5)^2 as a tri nominal

Sagot :

Sitalsapkota33idn

Answer:

(2X -5)^2 as a tri nominal:

2x+2x-10

Devishri1977idn

Answer:

4x² - 20x + 20

Step-by-step explanation:

(a - b)² = a² - 2ab + b²

a = 2x  ; b = 5

(2x- 5)² = (2x)² - 2*2x*5 + 5²  {(2x)² = 2x * 2x = 4x²}

           = 4x² - 20x + 25

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