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Solve: (x-5)(x²+2x+1)​

Sagot :

ALGEBRAIC EXPRESSION

Solve: (x-5)(x²+2x+1)​

ANSWER

x³ - 3x² - 9x - 5

SOLUTION

» x(x²  + 2x + 1) −5 (x²  + 2x + 1)

» x³ + 2x² + x - 5 (x²  + 2x +1)

» x³  +2x²  + x − (5x²  + 10x + 5)

» x³  +2x²   + x − 5x²  − 10x − 5

» x³  + (2x²  −5x²) + (x − 10x) − 5

» x³  + (2x² −5x²) + (x − 10x) − 5

x³ - 3x² - 9x - 5 is the answer

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