Question

find the following product (x+0.2)(x-0.2)
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Answer 1

Answer:

(x+0.2)(x-0.2)=

$x {}^{2} - 0.2 {}^{2} \\ = x { }^{2} - .04$

Answer 2

Answer:

x² - 0.04

Step-by-step explanation:

a² - b² = (a + b)(a - b)

(x + 0.2)(x - 0.2) = x² - 0.2² = x² - 0.04