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Popular >

expand x(-5x^2+4x-7)

Solution

expand

x (- 5 x^{2} + 4 x - 7)

Solution

- 5 x^{3} + 4 x^{2} - 7 x

Solution steps

x (- 5 x^{2} + 4 x - 7)

Apply the distributive law:

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

x (- 5 x^{2} + 4 x - 7) = x (- 5 x^{2}) + x \cdot 4 x + x (- 7)

= x (- 5 x^{2}) + x \cdot 4 x + x (- 7)

Simplify

x (- 5 x^{2}) + x \cdot 4 x + x (- 7) : - 5 x^{3} + 4 x^{2} - 7 x

= - 5 x^{3} + 4 x^{2} - 7 x

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Frequently Asked Questions (FAQ)

What is expand x(-5x^2+4x-7) ?
The solution to expand x(-5x^2+4x-7) is -5x^3+4x^2-7x