exam Maths Puzzle Numerical Ability

Can someone help with this problem:

What is the quotient when x^4 - 4x^2 + 7x + 15 is divided by x + 4

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exam Other Question

Please help me with this problem:

[x-(-6+ the square root of 13)][x-(-6)-the square root of 13)] Find the product.

Thank you for your help!
Find four solutions for the following and write the solutions as ordered pairs:
y=1/3x