Ответ:
Объяснение:
(a+8)²-(a-4)(a+4)=48
[tex]a^{2}[/tex]+16a+64-([tex]a^{2}[/tex]-16)=48
[tex]a^{2}[/tex]+16a+64-[tex]a^{2}[/tex]+16=48
16a+80=48
16a=48-80
16a=-32
a=-2
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Verified answer
Ответ:
Объяснение:
(a+8)²-(a-4)(a+4)=48
[tex]a^{2}[/tex]+16a+64-([tex]a^{2}[/tex]-16)=48
[tex]a^{2}[/tex]+16a+64-[tex]a^{2}[/tex]+16=48
16a+80=48
16a=48-80
16a=-32
a=-2