Question

Espero sus respuestas ​

Answer 1

Respuesta:

Explicación paso a paso:

$a.-\\11x\,\,,x=-2\\\\11(-2)=-22\\b.-\\\\1+2x\,\,,x=-1\\\\1+2(-1)=1-2=-1\\c.-\\(a+c)^{2}\,\,,a=2\,\,,c=1\\\\(2+1)^{2}=(3)^{2}=9\\d.-\\2x-5\,\,,x=2.5\\\\2(2.5)-5=5.0-5=0\\e.-\\(x+y)(x-y)\,\,,x=4\,,y=3\\\\(4+3)(4-3)=(7)(1)=7\\f.-\\x^{2}-2xy+y^{2}\,\,,x=7\,\,,y=3\\\\(7)^{2}-2(7)(3)+(3)^{2}=49-42+9=49+9-42=58-42=16$

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