book Maths Puzzle Numerical Ability

How do i factor the trinomial; 6x2 + 8x + 2? ( 6x2 means 6x squared)

thanks

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book Other Question

I have an isosceles triangle with a 45deg angle between. What is the formula for finding the length of the third side? Need help with the following:

Solve the inequality |3x - 1| < 7 and write the answer in the set notation.