Exercice n°4 : Développe et réduis les expressions
P = (x+3)(x + 6)
Q = (x + 5) (x-2)
R = (2-x) (3 + x)
S = (x - 1)(x-2)
P = (x+3)(x + 6)
Q = (x + 5) (x-2)
R = (2-x) (3 + x)
S = (x - 1)(x-2)
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Verified answer
P= x^2 +6x +3x +18 = x^2 +9x +18Q= x^2 -2x + 5x -10= x^2+ 3x -10
R= 6+ 2x -3x -x^2 = -x^2 -3x +6
S= x^2 -2x -1x +2 = x^2 -3x +2