Предмет: Математика, автор: tel3

как решить это уравнения 4×(х+1) и это (-2х+1)×(-2-7)=0

Ответы

Автор ответа: Аноним

0

(-2x+1)*(-2-7)=0
4x+14x-2-7=0 (умножение многочленов)
18x-2-7=0(приводим подобные)
18x=0+2+7(какое-то свойство,когда неизвестные числа влево , а известные вправо)
18x=9
x=9:18
x=2
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Автор ответа: Аноним

0

4x=5

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