What is expand (9h-11k)^2(h+k) ?

The solution to expand (9h-11k)^2(h+k) is 81h^3-117h^2k-77hk^2+121k^3

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expand (9h-11k)^2(h+k)

expand

(9 h - 11 k)^{2} (h + k)

81 h^{3} - 117 h^{2} k - 77 h k^{2} + 121 k^{3}

Solution steps

(9 h - 11 k)^{2} (h + k)

Expand

(9 h - 11 k)^{2} : 81 h^{2} - 198 hk + 121 k^{2}

= (81 h^{2} - 198 hk + 121 k^{2}) (h + k)

Distribute parentheses

= 81 h^{2} h + 81 h^{2} k - 198 hkh - 198 hkk + 121 k^{2} h + 121 k^{2} k

Simplify

81 h^{2} h + 81 h^{2} k - 198 hkh - 198 hkk + 121 k^{2} h + 121 k^{2} k : 81 h^{3} - 117 h^{2} k - 77 h k^{2} + 121 k^{3}

= 81 h^{3} - 117 h^{2} k - 77 h k^{2} + 121 k^{3}

\frac{x + x ^{2}}{1 + x}

a x + a y

(4 x^{2} - 5 x + 3) - (- 5 x^{2} - 9 x - 5)

- 220

\frac{3}{28} \cdot 8

What is expand (9h-11k)^2(h+k) ?
The solution to expand (9h-11k)^2(h+k) is 81h^3-117h^2k-77hk^2+121k^3