Bonjour,
a ) Pas possible de réduire cette expression.
b ) 7y + 12 - 13 y = 7y - 13 y + 12 = -6y + 12 = 6 x (-y) + 6 x 2 = 6 (-y + 2) = 6 (2 - y)
c ) 10 - 8d + 3 = 10 + 3 - 8d = 13 - 8d
d ) 8 - x + x² + 5x = x² + 5x - x + 8 = x² + 4x + 8
e ) 3t - 12t + t² - 7 = t² - 9t - 7
f ) a² + b - a + 3b = a² - a + b + 3b = a² - a + 4b
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Bonjour,
a ) Pas possible de réduire cette expression.
b ) 7y + 12 - 13 y = 7y - 13 y + 12 = -6y + 12 = 6 x (-y) + 6 x 2 = 6 (-y + 2) = 6 (2 - y)
c ) 10 - 8d + 3 = 10 + 3 - 8d = 13 - 8d
d ) 8 - x + x² + 5x = x² + 5x - x + 8 = x² + 4x + 8
e ) 3t - 12t + t² - 7 = t² - 9t - 7
f ) a² + b - a + 3b = a² - a + b + 3b = a² - a + 4b