please help with the questions below.

Topic L: Adding Fractions and Solving Rational Equations 1.) Combine the following fractions: a. ) N/ m 1 - + - x - 3 x+ 3 in 2x -1 3x 2x 3x + 15 x -1 2x+1 2.) Solve the equation for x. in 1 10 a. ) 3 x x - 3 x+3 x2-9 2x -1 3x x2 +11 in 11 2x 3(x+ 5) x-1 2x+1 2x2 -x-1Topic G: Solving Quadratic and Polynomial Equations Solve each equation for x over the real number system. 1 . ) x2 + 7x- 18= 0 2 . ) x 2 +x + - = 0 3.) 2x2-72=0 4.) 12x2 - 5x =2 5.) 20x -56x + 15=0 6.) 81x2 + 72x +16=0 8.) x3 - 5x2 + 5x-25=0 9.) 2x4 - 15x3+ 18x2 = 0 7 . ) x + - = _17 10.) If y = x2 + kx-k, for what values of k will the quadratic have two real solutions