exam Maths Puzzle Numerical Ability

please help me solve x(x+5)=0 thank you so much

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exam Other Question

Directions are to solve: One integer is 6 less than the other integer. The product of the lesser integer and -7 is 42 more than the greater integer. What are the integers? My answer was 55 and 49. Am i correct? Can you help me solve this equation please?

1. 9/x = 4/3x + 1

x = ?