Asked by Robbie
Can you help me find the solutions of the equation x^2 + 30x=1000...help me solve it step by step..
Answers
Answered by
bobpursley
I wont do it step by step.
Using the quadratic formula...
x^2 + 30 x - 1000=0
a=1
b=30
c=-1000
x=(-b +- sqrt (b^2 -4ac))/2a
now the serd works easily
sqrt(900+4000)=70
x=(-30 +- 70)/2
you can take it from there.
Using the quadratic formula...
x^2 + 30 x - 1000=0
a=1
b=30
c=-1000
x=(-b +- sqrt (b^2 -4ac))/2a
now the serd works easily
sqrt(900+4000)=70
x=(-30 +- 70)/2
you can take it from there.