exam Maths Puzzle Numerical Ability

Perform the indicated operations:
(7x2 – x + 1) – (2x2 – x – 3) – (5x2 + 3x – 10)

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exam Other Question

i need to solve and graph this problem

2x-9 > 3(x-2)
What is the slope of the line whose equation is 2y=5x+4?