Объяснение:
[tex]g^2+7x+64x^2=64x^2+7x+g^2=(8x)^2+2*8x*\frac{3,5}{8} +(\frac{3,5}{8})^2=\\= 64x^2+7x+(\frac{3\frac{1}{2} }{8})^2 =64x^2+7x+(\frac{\frac{7}{2} }{8} )^2=64x^2+7x+(\frac{7}{16} )^2=(8x+\frac{7}{16})^2.[/tex]
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Объяснение:
[tex]g^2+7x+64x^2=64x^2+7x+g^2=(8x)^2+2*8x*\frac{3,5}{8} +(\frac{3,5}{8})^2=\\= 64x^2+7x+(\frac{3\frac{1}{2} }{8})^2 =64x^2+7x+(\frac{\frac{7}{2} }{8} )^2=64x^2+7x+(\frac{7}{16} )^2=(8x+\frac{7}{16})^2.[/tex]