14x2 - 8 + 5x - 6x2 + 2xWhich expresses the polynomial in standard form?
A: 20x2 + 7x - 8
B: 8x2 + 7x - 8
C; 15x2 - 8
D; 8x2 + 3x - 8
8x^2 + 7x - 8 is the standard form after combining like terms & write polynomial in descending powers of x
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