What is expand (7a^2-b)(3a-2b) ?

The solution to expand (7a^2-b)(3a-2b) is 21a^3-14a^2b-3ab+2b^2

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expand (7a^2-b)(3a-2b)

expand

(7 a^{2} - b) (3 a - 2 b)

21 a^{3} - 14 a^{2} b - 3 ab + 2 b^{2}

Solution steps

(7 a^{2} - b) (3 a - 2 b)

Apply FOIL method

(7 a^{2} - b) (3 a - 2 b) : 21 a^{3} - 14 a^{2} b - 3 ab + 2 b^{2}

= 21 a^{3} - 14 a^{2} b - 3 ab + 2 b^{2}

\frac{3 x + 18}{x ^{2} + 6 x}

(x - 7) (x - 19)

3 \cdot (- \frac{1}{3})

\frac{7 + 3 i}{- 2 + 6 i}

- 2 \cdot 7

What is expand (7a^2-b)(3a-2b) ?
The solution to expand (7a^2-b)(3a-2b) is 21a^3-14a^2b-3ab+2b^2