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Popular >

expand x(7x+4)(x-3)

Solution

expand

x (7 x + 4) (x - 3)

Solution

7 x^{3} - 17 x^{2} - 12 x

Solution steps

x (7 x + 4) (x - 3)

Expand

x (7 x + 4) (x - 3) : x (7 x^{2} - 17 x - 12)

= x (7 x^{2} - 17 x - 12)

Apply the distributive law:

m (a + b + c) = ma + mb + m c

x (7 x^{2} - 17 x - 12) = x \cdot 7 x^{2} + x (- 17 x) + x (- 12)

= x \cdot 7 x^{2} + x (- 17 x) + x (- 12)

Simplify

x \cdot 7 x^{2} + x (- 17 x) + x (- 12) : 7 x^{3} - 17 x^{2} - 12 x

= 7 x^{3} - 17 x^{2} - 12 x

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Frequently Asked Questions (FAQ)

What is expand x(7x+4)(x-3) ?
The solution to expand x(7x+4)(x-3) is 7x^3-17x^2-12x