Doprowadz do najprostrzej postaci wyrażenie :
(3x-4)do kwadratu-2(2x+5)do kwadratu-(x-8)(8+x)
Prosze o pomoc. : )
(3x-4)²-2(2x+5)²-(x-8)(8+x)=(9x²-24x+16)-2(4x²+20x+25)-(x²-64)=
=9x²-24x+16-8x²-20x-25-x²+64=-44x+55
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(3x-4)²-2(2x+5)²-(x-8)(8+x)=(9x²-24x+16)-2(4x²+20x+25)-(x²-64)=
=9x²-24x+16-8x²-20x-25-x²+64=-44x+55