exam Maths Puzzle Numerical Ability

solve the quadratic equation by completing the square

x^2 - 6x - 3=0

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exam Other Question

Can someone help me solve this problem?

I need to multiply:

(-6) in the power of 2 - 4 in the power of 2

Thanks,
Lyn how do i find the squares?

(7p+6q)^2