Odpowiedź:
Szczegółowe wyjaśnienie:
=2x^2+14x -3x-7=2x^2+11x -7
=4 -24y-5y+30y^2=30y^2-29y-1
= -(3x-6+2x^2-4x)= -3x+6-2x^2+4x=-2x^2+x+6
=9a^2+30a+25
=9a^2 -30a+25
=a^2-9
=2z+0,2 -4z^2 -2/5z= -4z^2 +1 3/5z +0,2
= -(4/3w^2+2w -2w -3)=4/3w^2-2w+2w+3=1 1/3w^2 +3
=0,04 c^2+0,02 -0,02c -0,01=0,04 c^2 -0,02c+0,01
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Odpowiedź:
Szczegółowe wyjaśnienie:
=2x^2+14x -3x-7=2x^2+11x -7
=4 -24y-5y+30y^2=30y^2-29y-1
= -(3x-6+2x^2-4x)= -3x+6-2x^2+4x=-2x^2+x+6
=9a^2+30a+25
=9a^2 -30a+25
=a^2-9
=2z+0,2 -4z^2 -2/5z= -4z^2 +1 3/5z +0,2
= -(4/3w^2+2w -2w -3)=4/3w^2-2w+2w+3=1 1/3w^2 +3
=0,04 c^2+0,02 -0,02c -0,01=0,04 c^2 -0,02c+0,01