ALGEBRAIC EXPRESSION
(x + 2) (x² + 3x - 4)
ANSWER
x³ + 5x² + 2x - 8
SOLUTION
» x(x² +3x−4) + 2 (x² + 3x − 4)
» x³ + 3x² − 4x + 2 (x² + 3x −4)
» x³ + 3x² − 4x + 2x² + 6x − 8
» x³ + (3x² +2x²
) + (−4x + 6x) −8
Simplified:
(x + 2) (x² + 3x - 4)
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