(3х+4)(4х–3) – 17=(2х+3)(6х+7.. Created by igogo2004. algebra-ru

(3х+4)(4х–3) – 17=(2х+3)(6х+7...

igogo2004 @igogo2004

August 2022 2 3 Report

(3х+4)(4х–3) – 17=(2х+3)(6х+7.

Verified answer

(3x + 4)(4x - 3) - 17 = (2x + 3)(6x + 7)
12x² - 9x + 16x - 12 - 17 = 12x² + 14x + 18x + 21
7x - 29 = 32x + 21
7x - 32x = 21 + 29
-25x = 50
x = -2
Ответ: x = -2.

0 votes Thanks 1

AnonimusPro

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$(3x+4)(4x-3) -17=(2x+3)(6x+7)
\\12x^2-9x+16x-12-17=12x^2+14x+18x+21
\\7x-29=32x+21
\\32x-7x=-50
\\25x=-50
\\x=-2$
Ответ: x=-2

1 votes Thanks 0

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