Quadratic Equation x = - b ± b ​ 2 - 4 a c 2 a DisplayQuadratic Equation x = - b ± b ​ 2 - 4 a c 2 a Rational Function f ( x ) = 1 - x ​ 2 1 - x ​ 3 Rational Function f ( x ) = ( 1 - x ​ 2 ) x ​ 3 1 - x ​ 3 Rational Function f ( x ) = ( 1 - x ​ 2 ) ( x ​ 3 - 5 x ) 1 - x ​ 3 Parametrize Rational Function f ( x ) = ( a i ​ - x ​ 2 ) ​ 5 1 - x ​ 3 Stacked exponents g ( z ) = e ​ - x ​ 2 Stacked exponents g ( z ) = e ​ - ( z - a ) ​ 2 Stacked exponents g ( z ) = e ​ - i = 0 ∞ z i 2 Stacked exponents g ( y ) = e ​ - i = 0 ∞ y i 2 Stacked exponents g ( z ) = e ​ - i = 0 ∞ z ​ 2 a - i Cross Product x 1 ​ - x 2 ​ x 3 ​ - x 4 ​ x 1 ​ - x 4 ​ x 2 ​ - x 3 ​ Cross Product ( x 1 ​ - x 2 ​ x 3 ​ - x 4 ​ ) ( x 1 ​ - x 4 ​ x 2 ​ - x 3 ​ ) Cross Product x 1 ​ - x 2 ​ x 3 ​ - x 4 ​ x 1 ​ - x 4 ​ x 2 ​ - x 3 ​ Cross Product ( x 1 ​ - x 2 ​ ) ( x 3 ​ - x 4 ​ ) ( x 1 ​ - x 4 ​ ) ( x 2 ​ - x 3 ​ )