exam Maths Puzzle Numerical Ability

Find the sum or difference. 4 5/9 - 3 2/15








Thanks! Please work really really really really fast! Happy Holidays!

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Could you please take the time to help me solve this problem: What is the sum of the roots of the quadratic equation: a x2 + b x + c = 0, where a, b, and c are all non-zero real constants.

Thanks for your help. HELP!!!!

Rewrite the equation as a function of x

y=-7x-9

thanks a lot
Heather