140k views
4 votes
Solve for x. 10x^2=29x-21 does anyone know this

User Ninj
by
8.2k points

1 Answer

4 votes

10x^2=29x-21 \\ 10x^2-29x+21=0\\ \Delta=(-29)^2-4\cdot10\cdot21=841-840=1\\ √(\Delta)=\sqrt1=1\\ x_1=(-(-29)-1)/(2\cdot10)=(28)/(20)=(7)/(5)\\ x_2=(-(-29)+1)/(2\cdot10)=(30)/(20)=(3)/(2)\\
User Mahmudul Hasan
by
8.0k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories