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Maths Puzzle
Numerical Ability
(-10p)(-8q)(-r)
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book Other Question
X4+7X2+3-18=0
plese show me how to execute each of the indicated multiplications, thankx
(x-2)(x^2+2x+4)
(5x^2+7x+3)(8x+2)
4x-6)(2x+1)