Like terms hate me! 7(a - 2ab + 2) - 8a + (-15) + 11ab

Can any one me with the answers to these questions asap?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.