116k views
1 vote
Solve equation by factoring.

Solve equation by factoring.-example-1
User Ash
by
8.0k points

1 Answer

2 votes

Hi ;-)


x^2+6x-10=30 \ \ /-30\\\\x^2+6x-40=0\\\\a=1, \ b=6, \ c=-40\\\\\Delta=b^2-4ac=6^2-4\cdot1\cdot(-40)=36+160=196\\\\√(\Delta)=√(196)=14\\\\x_1=(-b-√(\Delta))/(2a)=(-6-14)/(2)=\boxed{-10}\\\\x_2=(-b+√(\Delta))/(2a)=(-6+14)/(2)=\boxed4

User Strubbly
by
8.4k 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