$6x^2+12x-94=-10$
$sin\left(x\right)=-0.1$
$x^2+18x+2=0$
$+2\:+17$
$-42\:x\:-6$
$\sin^4a-\cos^4a=1-2\cos^2a$
$-8=\frac{x+11}{-2}$
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