Pls i need this within 30 mins If you think you can do it pls dont skip me

^ denotes square

(a) If (x + 2) is a factor of f(x) = 2x^3 – x^2 – 13x – 6, find the other two factors.
(b) Solve the exponential equation: 7^2x – 8(7^x) + 7 = 0

(a) Evaluate log5 (3/5) + 3log5 (15/2) - log5 (81/8)

(b) Solve the pair of equations; 2x – y = 6 and 4x^2 + 3y^2 – 10x – y = 16.

(a) Simplify 3/4 √(128) - √(50) + 5 √8


(b) Solve the simultaneous equations: 9^x × 81^-y = 9 and 2^x ÷ 8^2y = 2