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Maths Puzzle
Numerical Ability
(x+7)(x-1)=(x+1)Squared
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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)
i am stumped i have an answer but it seems way off
0.7x-(6-.5x)=.48
i have the answer as 8.54 but i rounded