1)(14х-1)(2+х)=(2х-8)(7х+1) 2)(х+10)(х-5)-(х-6)(х+3)=16 решите уравнения. Created by vadimkatokarev888. algebra-ru

1)(14х-1)(2+х)=(2х-8)(7х+1) 2)(х+10)(х-5)-(х-6)(х+3)=16 решите уравнения...

August 2022 1 14 Report

1)(14х-1)(2+х)=(2х-8)(7х+1)
2)(х+10)(х-5)-(х-6)(х+3)=16 решите уравнения

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АринаАринина (14х-1)(2+х)=(2х-8)(7х+1)

1. Раскроем скобки

(14х-1)(2+х)=(2х-8)(7х+1)
(14х-1)(2+х) - (2х-8)(7х+1) = 0
81x + 6 = 0

81x = -6

x = -6/81

x = -1/9

2)(х+10)(х-5)-(х-6)(х+3)=16

Аналогично раскроем скобки

8x - 32 = 16

8x = 48

x = 6

0 votes Thanks 1

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