Mathematics: Write the expression in factored form 49m^2 - n^2

Write the expression in factored form 49m^2 - n^2

Ответ:

blackboy21

10.03.2022

Mathematics

Solution:

$49 {m}^{2} - {n}^{2}$
${(7m)}^{2} - {n}^{2}$
Using formula,
a^2-b^2=(a+b)(a-b)

(7m + n)(7m - n)

This is the required answer.

Hope it helps *_*

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Ответ:

12camtheman

27.11.2020

Mathematics

The third choice is the best:
Gabe should not have subtracted 56 from 16+49.

_____
Rather, Gabe should have subtracted 16+49 from 81 to get
16 = -56cos(A)
cos(A) = -16/56 = -2/7
A = arccos(-2/7) ≈ 106.6°
Atriangle has side lengths 4, 7 and 9. what is the measure of the angle across from the longest side

Atriangle has side lengths 4, 7 and 9. what is the measure of the angle across from the longest side

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