Answer:
(2X -5)^2 as a tri nominal:
2x+2x-10
4x² - 20x + 20
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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