Uprość wyrażenia:
a) x+1/2 + 2x-1/4b)-(x+1) + (2x+4)c) 3(a²-4) -(-a²+2)
Bardzo proszę o pomoc.
a) x+1/2+2x-1/4=x+2/4+2x-1/4=3x+1/4
b) -x-1+2x+4
x+3
c)3a2-12+a2-2=4a2-14
a)
b)
c)
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a) x+1/2+2x-1/4=x+2/4+2x-1/4=3x+1/4
b) -x-1+2x+4
x+3
c)3a2-12+a2-2=4a2-14
a)
b)
c)