exam Maths Puzzle Numerical Ability

Find the indicated outputs for f(x)= 2x2 -5x
(Second 2 is a too the 2nd power 2)
Will someone please help me with this I am totally stumpted!!

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exam Other Question

Solve the following problems.show the equation used for the solution.

Social science. In a town election, the winning candidate had 220 more votes than the loser. If 810 votes were cast in all, how many votes did each candidate receive?
Given the following values 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, x, and y, form:



A linear equation in one variable

A linear equation in two variables

A quadratic equation