7x+5y=−67x+5y=-67x+5y=−6
(y2−26)2\left(y^2-26\right)^2(y2−26)2
a+c=r−da+c=r-da+c=r−d
5(−3)+3(23)+5(−2)25\left(-3\right)+3\left(\frac{2}{3}\right)+5\left(-2\right)^25(−3)+3(32)+5(−2)2
tan2atan2a\frac{tan2a}{tan2a}tan2atan2a
(8x−16)x(x2+16)\frac{\left(8x-16\right)}{x\left(x^2+16\right)}x(x2+16)(8x−16)
74507\sqrt{450}7450
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