-3 is the coefficient of x² in 3x². The x3 coefficient term's, nial, has the value a. The x2 term's coefficient is -3, which equates to -(a + b).
We may use the knowledge that the coefficients of the polynomial can be expressed as a - b, a, and a + b to determine the values of a and b in the polynomial nial x3 - 3x2+x+1.
The x3 term's coefficient, nial, has the value a. The x2 term's coefficient is -3, which equates to -(a + b). The x term's coefficient is 1, which is equal to a + b. A - b is the constant term, represented by the number 1.
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