SOLUTION: find all the roots and check answer. x 2nd + 5x-14=0

SOLUTION: find all the roots and check answer. x 2nd + 5x-14=0

Algebra.Com

Question 723706: find all the roots and check answer. x 2nd + 5x-14=0
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
x^2 + 5x-14=0
(x+7)(x-2)=0
x+7=0
x=-7 ans.
x-2=0
x=2 ans.
proofs:
-7^2+5(-7)-14=0
49-35=-14
-14=-14
2^2+5*2-14=0
4+10-14=0
14-14=0
0=0
RELATED QUESTIONS
Find all roots and check your answer to the equation... (answered by oberobic)

Find all the roots and check your answer... (answered by ewatrrr)

Please show me how to find the roots and check my answer for the following? 1.... (answered by Fombitz)

Can you help me find all the roots and how to check the answers. x^2 + 5x - 14 = 0,... (answered by palanisamy)

find all roots and check answer 5x^3 - 8x... (answered by drj)

49x^2 -25=0 Find all the roots and check your... (answered by josmiceli)

Find all the roots and check your answer 4x^3-18x=18x... (answered by lwsshak3,busterj)

Find all the roots and check your answer 4x^3-18x=18x... (answered by Alan3354)

find all roots... (answered by jim_thompson5910)