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Popular >

expand 3r(7r-8)

Solution

expand

3 r (7 r - 8)

Solution

21 r^{2} - 24 r

Solution steps

3 r (7 r - 8)

Apply the distributive law:

a (b - c) = ab - a c

3 r (7 r - 8) = 3 r \cdot 7 r - 3 r \cdot 8

= 3 r \cdot 7 r - 3 r \cdot 8

Simplify

3 r \cdot 7 r - 3 r \cdot 8 : 21 r^{2} - 24 r

= 21 r^{2} - 24 r

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Frequently Asked Questions (FAQ)

What is expand 3r(7r-8) ?
The solution to expand 3r(7r-8) is 21r^2-24r