X2+3x-15>2x-x2=..... dan dengan caranya.... Question from @liasayankjangit

September 2018 2 19 Report

X2+3x-15>2x-x2=..... dan dengan caranya

Danan09 = x² + 3x - 15 > 2x - x²
= x² - x² + 3x - 2x > 15
= x > 15

Semoga dapat membantu, mohon dikoreksi. Trims

1 votes Thanks 1

Takamori37 $x^2+3x-15>2x-x^2 \\ x^2+x^2+3x-2x-15>0 \\ 2x^2+x-15>0 \\ (x+3)(2x-5)>0 \\ x<-3$ atau $x>\frac{5}{2}$

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