What is expand (3x+1)(2x^2+x-7) ?

The solution to expand (3x+1)(2x^2+x-7) is 6x^3+5x^2-20x-7

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expand (3x+1)(2x^2+x-7)

expand

(3 x + 1) (2 x^{2} + x - 7)

6 x^{3} + 5 x^{2} - 20 x - 7

Solution steps

(3 x + 1) (2 x^{2} + x - 7)

Distribute parentheses

= 3 x \cdot 2 x^{2} + 3 xx + 3 x (- 7) + 1 \cdot 2 x^{2} + 1 \cdot x + 1 \cdot (- 7)

Simplify

3 x \cdot 2 x^{2} + 3 xx + 3 x (- 7) + 1 \cdot 2 x^{2} + 1 \cdot x + 1 \cdot (- 7) : 6 x^{3} + 5 x^{2} - 20 x - 7

= 6 x^{3} + 5 x^{2} - 20 x - 7

(2 x + 2) (x + 2)

(k - 1)^{2}

(1 - 2 x)^{4}

- 1 8^{2}

x^{3} y + 2 x^{2} y - 3 x y

What is expand (3x+1)(2x^2+x-7) ?
The solution to expand (3x+1)(2x^2+x-7) is 6x^3+5x^2-20x-7