bonsoir
D = - 7 y - 12 y + 24 + 3 + 6 y - 14
= - 13 y + 13
= 13 ( - y + 1 )
E = - 5 z + 5 z² - 15 z - 42 + 56 z
= 5 z² + 36 z - 42
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bonsoir
D = - 7 y - 12 y + 24 + 3 + 6 y - 14
= - 13 y + 13
= 13 ( - y + 1 )
E = - 5 z + 5 z² - 15 z - 42 + 56 z
= 5 z² + 36 z - 42