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Popular >

expand (3r-4)(7r-5)

Solution

expand

(3 r - 4) (7 r - 5)

Solution

21 r^{2} - 43 r + 20

Solution steps

(3 r - 4) (7 r - 5)

Apply FOIL method

(3 r - 4) (7 r - 5) : 21 r^{2} - 43 r + 20

= 21 r^{2} - 43 r + 20

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4 n^{2} - 20 n - 96

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4 - 3 (1.999)^{3}

simplify ((x^2-1)/(x^2))^3 simplify

(\frac{x ^{2} - 1}{x ^{2}})^{3}

Frequently Asked Questions (FAQ)

What is expand (3r-4)(7r-5) ?
The solution to expand (3r-4)(7r-5) is 21r^2-43r+20