Реши неравенство 8x^2−8x(x+5)≤100

Question

Реши неравенство 8x^2−8x(x+5)≤100

Answer 1

8x²-8x(x+5)<_100<br>8x²-8x²-40x<_100<br>-40x<_100<br>x>_-5/2
x>_-2.5

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