Respuesta :

wegnerkolmp2741o

Answer:

-4x^2+7x +6

Step-by-step explanation:

-7x + x^2 = - 3x^2 + 6

Subtract x^2 from each side

-7x + x^2-x^2 = - 3x^2-x^2 + 6

-7x =-4x^2 +6

Add 7x to each side

-7x+7x =-4x^2+7x +6

0= -4x^2+7x +6

The standard form is Ax^2 +Bx +C