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 โ€“ x^2 โ€“ 13x โ€“ 6, find the other two factors.
(b) Solve the exponential equation: 7^2x โ€“ 8(7^x) + 7 = 0


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

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


(a) Simplify 3/4 โˆš(128) - โˆš(50) + 5 โˆš8

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(b) Solve the simultaneous equations: 9^x ร— 81^-y = 9 and 2^x รท 8^2y = 2