exam Maths Puzzle Numerical Ability

I have to write in standard form and determine the values of a,b, and c. CAn you please help me?

Page 575
Number 6

3x^2 + 10x + 8 = -17x - 2

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exam Other Question

x/5 - x+3/x = -3/x
some help to solve this pleeeeeease ramesh bought two boxes for rs. 1300/- he sold one box at a profit of 20% the other box at a loss of 12%. if the selling price of both boxes is the same find the cost price of each