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Popular >

simplify 40(r^2-2r)

Solution

simplify

40 (r^{2} - 2 r)

Solution

40 r^{2} - 80 r

Solution steps

40 (r^{2} - 2 r)

Apply the distributive law:

a (b - c) = ab - a c

40 (r^{2} - 2 r) = 40 r^{2} - 40 \cdot 2 r

= 40 r^{2} - 40 \cdot 2 r

Multiply the numbers:

40 \cdot 2 = 80

= 40 r^{2} - 80 r

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Frequently Asked Questions (FAQ)

What is 40(r^2-2r) ?
The solution to 40(r^2-2r) is 40r^2-80r