What is expand 6x^2+3x-9-2x^2+4x-1 ?

The solution to expand 6x^2+3x-9-2x^2+4x-1 is 4x^2+7x-10

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expand 6x^2+3x-9-2x^2+4x-1

expand

6 x^{2} + 3 x - 9 - 2 x^{2} + 4 x - 1

4 x^{2} + 7 x - 10

Solution steps

6 x^{2} + 3 x - 9 - 2 x^{2} + 4 x - 1

Group like terms

= 6 x^{2} - 2 x^{2} + 3 x + 4 x - 9 - 1

Add similar elements:

6 x^{2} - 2 x^{2} = 4 x^{2}

= 4 x^{2} + 3 x + 4 x - 9 - 1

Add similar elements:

3 x + 4 x = 7 x

= 4 x^{2} + 7 x - 9 - 1

Subtract the numbers:

- 9 - 1 = - 10

= 4 x^{2} + 7 x - 10

sin (π x) - π x (1 - x)

\frac{2 ( x + y )}{y}

\frac{( x + 2 ) ^{2}}{x ^{2}}

\frac{1}{( ( a ) + 4 ) ^{2}}

\frac{2 ( x + y )}{z}

What is expand 6x^2+3x-9-2x^2+4x-1 ?
The solution to expand 6x^2+3x-9-2x^2+4x-1 is 4x^2+7x-10