приведите уравнение (х-5)(2х+3) - (х+4)(4-х)=2х+5 к виду ах ²+bх+с =0
2х^2+3x-10x-15-(4x-x^2+16-4x)-2x-5=02х^2+3x-10x-15-4x+x^2-16+4x-2x-5=03x^2-9x-36=0x^2-3x-12=0
(2x^2+3x-10x-15)-(4x-x^2+16-4x)-2x-5=0
3x^2-9x-36=0
x^2-3x-12
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Verified answer
2х^2+3x-10x-15-(4x-x^2+16-4x)-2x-5=0
2х^2+3x-10x-15-4x+x^2-16+4x-2x-5=0
3x^2-9x-36=0
x^2-3x-12=0
Verified answer
(2x^2+3x-10x-15)-(4x-x^2+16-4x)-2x-5=0
3x^2-9x-36=0
x^2-3x-12