Question

x ²-4ax + 4a² - 25 срочно​

Answer 1

x² - a² = (x - a)(x + a)

x² - 2ax + x² = (x - a)²

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x ²- 4ax + 4a² - 25 = x² - 2*2a*x + (2a)² - 5² = (x - 2a)² - 5² = (x - 2a -5)(x - 2a + 5)

Answer 2

x²-4ax+4a²-25=(x-2a)²-25=(x-2a-5)(x-2a+5)