Which equation can be solved by using this system of equations?

{ y=3x^5-5x^3+2x^2-10x+4 } and { y=4x^4+6x^3-11 }

a. 3x^5-5x^3+2x^2-10x+4 = 0

b. 3x^5-5x^3+2x^2-10x+4 = 4x^4+6x^3-11

c. 3x^5+4x^4+x^3+2x^2-10x-7 = 0

d. 4x^4+6x^3-11 = 0

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