Difference of squares: Number of terms

Solve the following equation:

_{$(x-\sqrt{7})(x+\sqrt{7})=x^2+7x+7$}

-2

Solve the following equation:

^{$(x+8)(8-x)+4(x-3)(x+3)+5(6-x^2)=0$}

$±\sqrt{29}$

Solve the following equation:

_{^{$3x+7+3x+5-x=3(x-3)(x+3)+5x$}}

$±\sqrt{13}$

Solve the following equation:

_{^{$(x-3)(x+3)=(x-9)(x+9)+x+5$}}

67

$8(x-\sqrt{3})(\sqrt{3}+x)=2x^2$

$\pm2$

Solve:

^{$161x^{4}-16+(8-8x^{2})(8+8x^{2})+64-8x^{2}=(3x+4)(5x-2)(3x-4)(2+5x)+348$}

±1

Solve the following exercise

^{$(15-6x)(6x+15)+(x-3)(x+6)(6-x)(3+x)-(3x-7)(3x+7)=0$}

No solution