If you multiply 20 and 10 you get 200 after that you subtract 100 to get...One hundred
If you would like to solve 7x - (25x^2 + 12x), you can do this using the following steps:
7x - (25x^2 + 12x<span>) = 7x - 25x^2 - 12x = - 25x^2 - 5x
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The correct result would be <span>- 25x^2 - 5x.</span>