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PLEASE ANSWER I NEED IT ASAP

Subtract the second expression from the first. (5x^2-3x+5) - (3x^2-4x-7)

1. 2x^2+x+12
2. 2x^7+x+12
3. 8x^2+x+12
4. 2x^2+x-2

Distribute: 11 (-3+5X^2)

1. -55x^2+33
2. 22x
3. 5x^2-33
4. 55x^2-33

Respuesta :

gmany

[tex](5x^2-3x+5)-(3x^2-4x-7)\\\\=5x^2-3x+5-3x^2+4x+7\\\\=(5x^2-3x^2)+(-3x+4x)+(5+7)\\\\=2x^2+x+12\to1.[/tex]


[tex]11(-3+5x^2)=(11)(-3)+(11)(5x^2)=-33+55x^2=55x^2-33\to4.[/tex]