S.V.P aidez moi c'est un dm pour demain (en math) factoriser les expressions suivantes: a) x²+6x+9 b) y²-8y+16 c) 64 x² - 100 d) (x+2)²+(x-5)(x+2) e) (t+1) (t-5)-(t+1)²(3t-1)
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lyne99
A) (x+3)² b) (y-4)² c) (8-10)(8+10) d) (x+2)(x+2+x-5)= (x+2)(2x-3) e) (t+1)(t-5-t-1-3t+1) = (t+1)(-3t-5)
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b) (y-4)²
c) (8-10)(8+10)
d) (x+2)(x+2+x-5)= (x+2)(2x-3)
e) (t+1)(t-5-t-1-3t+1) = (t+1)(-3t-5)