Question

Value of (0.1m - 0.2n) (0.1m +1.2n) is

Answer 1

Step-by-step explanation:

$(0.1m - 0.2n)(0.1m + 1.2n)$

$0.1m(0.1m + 1.2n) - 0.2n(0.1m + 1.2n)$

$0.01 {m}^{2} + 0.12mn - 0.02mn + 0.24 {n}^{2}$

$0.01 {m}^{2} + 10mn + 24 {n}^{2}$

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Answer 2

Answer:

$0.01 {m}^{2} + 0.1mn - 0.24 {n}^{2}$

Step-by-step explanation:

$(0.1m - 0.2n)(0.1m + 1.2n) \\ {0.01m}^{2} + (1.2n - 0.2n)0.1m- 0.2n \times 1.2n \\ = 0.01 {m}^{2} + 0.1mn - 0.24 {n}^{2}$

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