exam Maths Puzzle Numerical Ability

SOLVE FOR THE INEQUALITY AND WRITE THE SOLUTION IN INTERVAL NOTATION

PROBLEM: 2x^2+8x-10>0
PLEASE HELP I'M VERY CONFUSED WITH THIS PROBLEM? WE HAVE TWO ANSWERS (?)"U"(?) BU

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exam Other Question
May I have some help with the following equation?

Find all solutions of the equation.

1+ 2x/(x+3)(x+4)= 2/x+3 + 4/x+4 Please help me solve this,
x^3+4x^2-3x-12/x^2-3