Bonjour,
a. 7p-14=7*p-7*2=7(p-2)
b. -5x²+25x=5x*(-1x)+5x*5=5x(-1x+5)
c. 4b²-12=4*b²-4*3=4(b²-3)
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Bonjour,
a. 7p-14=7*p-7*2=7(p-2)
b. -5x²+25x=5x*(-1x)+5x*5=5x(-1x+5)
c. 4b²-12=4*b²-4*3=4(b²-3)