Expand the expression to a polynomial in standard form:
(5x - 4)(3 + 2x - x2)
Options
A
-5x³ + 14x² + 7x - 12
B
-5x³ + 14x² + 7x + 12
C
5x³ + 14x² + 7x - 12
D
5x³ + 14x² + 7x + 12
Answer & Analysis
Answer
A
Analysis
To expand the expression (5x - 4)(3 + 2x - x2), we can use the distributive property and multiply each term of the first expression by each term of the second expression: