Question 15 • FL-1200700-Mathematics for College Algebra MIS
To factor 3x² − 5x + 2, find two numbers whose product is 3 × 2 = 6 and whose sum is −5: −3 and −2. Rewrite the middle term as −3x − 2x, then factor by grouping: 3x² − 3x − 2x + 2 = 3x(x − 1) − 2(x − 1) = (3x − 2)(x − 1). The factors are (x − 1) and (3x − 2).
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