What is 3m(m-4)-(m-4) ?

The solution to 3m(m-4)-(m-4) is 3m^2-13m+4

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simplify 3m(m-4)-(m-4)

simplify

3 m (m - 4) - (m - 4)

3 m^{2} - 13 m + 4

Solution steps

3 m (m - 4) - (m - 4)

Apply the distributive law:

- (a - b) = - a + b

- (m - 4) = - m + 4

= 3 m (m - 4) - m + 4

Expand

3 m (m - 4) : 3 m^{2} - 12 m

= 3 m^{2} - 12 m - m + 4

Add similar elements:

- 12 m - m = - 13 m

= 3 m^{2} - 13 m + 4

832

- 6 + 20

- 6 - 15

- 4 x - 5

(a^{2})^{5}