What is expand 2x^2+5x-3-x^2-9x+4 ?

The solution to expand 2x^2+5x-3-x^2-9x+4 is x^2-4x+1

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expand 2x^2+5x-3-x^2-9x+4

expand

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

x^{2} - 4 x + 1

Solution steps

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

Group like terms

= 2 x^{2} - x^{2} + 5 x - 9 x - 3 + 4

Add similar elements:

2 x^{2} - x^{2} = x^{2}

= x^{2} + 5 x - 9 x - 3 + 4

Add similar elements:

5 x - 9 x = - 4 x

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

Add/Subtract the numbers:

- 3 + 4 = 1

= x^{2} - 4 x + 1

3^{(h + 2) h + 1}

(y^{2} + 1) d x + (x^{2} + 1) d y

r e^{100} (x - 4)^{2}

6.49807 E 44

\frac{x ( 4 x - 13 )}{( x + 3 ) ( x - 2 )}

What is expand 2x^2+5x-3-x^2-9x+4 ?
The solution to expand 2x^2+5x-3-x^2-9x+4 is x^2-4x+1