exam Maths Puzzle Numerical Ability

factor:

15x^2 + 31x + 10

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exam Other Question

Solve each of the following systems by substitution.
McGraw Hill 6th edition, 8.3 # 16.
Thank you so very much for your time!!!!

5x-2y=-5
y-5x=3
how do you graph a solution that says:

y=-3/2-3