book Maths Puzzle Numerical Ability

2x^2+7x-4=0

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book Other Question

For my next test, I will be given an equation and asked to explain how the graph of the function differs from its parent function. I must use terms such as vertical and horizontal distributive
- y ( - y squared + y)

How can i figure out this inequality by simplifying to distributive?

x + 20 + 0.06 (x + 20 )