Which is an x-intercept of the graphed function? 0 (0,4) 0 (-1,0) O (4,0) 0 (0, -1)​

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2

Pls yall i really need the answer fr fr