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

The solution to expand a(a+1)x^2+x-a(a-1) is a^2x^2+ax^2+x-a^2+a

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expand a(a+1)x^2+x-a(a-1)

expand

a (a + 1) x^{2} + x - a (a - 1)

a^{2} x^{2} + a x^{2} + x - a^{2} + a

Solution steps

a (a + 1) x^{2} + x - a (a - 1)

= a x^{2} (a + 1) + x - a (a - 1)

Expand

a x^{2} (a + 1) : a^{2} x^{2} + a x^{2}

= a^{2} x^{2} + a x^{2} + x - a (a - 1)

Expand

- a (a - 1) : - a^{2} + a

= a^{2} x^{2} + a x^{2} + x - a^{2} + a

x^{4} + x^{2} + x

\frac{( 14 x ^{2} - 53 x + 45 )}{( 7 x - 9 )}

s x (3 s)^{3}

sin (x) + sin^{5} (x)

(3 x + 2 2 y)^{3}

What is expand a(a+1)x^2+x-a(a-1) ?
The solution to expand a(a+1)x^2+x-a(a-1) is a^2x^2+ax^2+x-a^2+a