Me ajudem é pra agora de tarde. por favor.
Anexos:
Soluções para a tarefa
Respondido por
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Bom dia Henrique!
Solução!
![A=6 x^{2} -3x-8\\\\\
B=5 x^{2} +4x-3\\\\\\
C= x^{2} -10x\\\\\\\
A+B-C\\\\\\
(6 x^{2} -3x-8)+(5 x^{2} +4x-3)-(x^{2} -10x)\\\\\\
(6 x^{2} -3x-8)+(5 x^{2} +4x-3)+(-x^{2} +10x)\\\\\
(6 x^{2}+5 x^{2}-x^{2}-3x+4x+10x-8-3)\\\\\\\
\boxed{(10 x^{2} +11x-11)}\\\\\\\\\\
A-B+C\\\\\
(6 x^{2} -3x-8)-(5 x^{2} +4x-3)+( x^{2} -10x)\\\\\\\
(6 x^{2} -3x-8)+(-5 x^{2} -4x+3)+( x^{2} -10x)\\\\\\\
(6 x^{2}-5 x^{2}+ x^{2}-3x-4x-10x-8+3)\\\\\\
\boxed{(2 x^{2} -17x-5)}](https://tex.z-dn.net/?f=A%3D6+x%5E%7B2%7D+-3x-8%5C%5C%5C%5C%5C%0AB%3D5+x%5E%7B2%7D+%2B4x-3%5C%5C%5C%5C%5C%5C%0AC%3D+x%5E%7B2%7D+-10x%5C%5C%5C%5C%5C%5C%5C%0A%0AA%2BB-C%5C%5C%5C%5C%5C%5C%0A%286+x%5E%7B2%7D+-3x-8%29%2B%285+x%5E%7B2%7D+%2B4x-3%29-%28x%5E%7B2%7D+-10x%29%5C%5C%5C%5C%5C%5C%0A%286+x%5E%7B2%7D+-3x-8%29%2B%285+x%5E%7B2%7D+%2B4x-3%29%2B%28-x%5E%7B2%7D+%2B10x%29%5C%5C%5C%5C%5C%0A%286+x%5E%7B2%7D%2B5+x%5E%7B2%7D-x%5E%7B2%7D-3x%2B4x%2B10x-8-3%29%5C%5C%5C%5C%5C%5C%5C%0A%5Cboxed%7B%2810+x%5E%7B2%7D+%2B11x-11%29%7D%5C%5C%5C%5C%5C%5C%5C%5C%5C%5C%0AA-B%2BC%5C%5C%5C%5C%5C%0A%0A%286+x%5E%7B2%7D+-3x-8%29-%285+x%5E%7B2%7D+%2B4x-3%29%2B%28+x%5E%7B2%7D+-10x%29%5C%5C%5C%5C%5C%5C%5C%0A%286+x%5E%7B2%7D+-3x-8%29%2B%28-5+x%5E%7B2%7D+-4x%2B3%29%2B%28+x%5E%7B2%7D+-10x%29%5C%5C%5C%5C%5C%5C%5C%0A%286+x%5E%7B2%7D-5+x%5E%7B2%7D%2B+x%5E%7B2%7D-3x-4x-10x-8%2B3%29%5C%5C%5C%5C%5C%5C%0A%5Cboxed%7B%282+x%5E%7B2%7D+-17x-5%29%7D%0A%0A%0A%0A "A=6 x^{2} -3x-8\\\\\
B=5 x^{2} +4x-3\\\\\\
C= x^{2} -10x\\\\\\\
A+B-C\\\\\\
(6 x^{2} -3x-8)+(5 x^{2} +4x-3)-(x^{2} -10x)\\\\\\
(6 x^{2} -3x-8)+(5 x^{2} +4x-3)+(-x^{2} +10x)\\\\\
(6 x^{2}+5 x^{2}-x^{2}-3x+4x+10x-8-3)\\\\\\\
\boxed{(10 x^{2} +11x-11)}\\\\\\\\\\
A-B+C\\\\\
(6 x^{2} -3x-8)-(5 x^{2} +4x-3)+( x^{2} -10x)\\\\\\\
(6 x^{2} -3x-8)+(-5 x^{2} -4x+3)+( x^{2} -10x)\\\\\\\
(6 x^{2}-5 x^{2}+ x^{2}-3x-4x-10x-8+3)\\\\\\
\boxed{(2 x^{2} -17x-5)}")
Bom dia!
Bons estudos!
Solução!
Bom dia!
Bons estudos!
HenriqueMateus2:
obgd boa,tarde
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