Question
the square of a number is equal to the sum of 21 and 4 times the number. find the number
WHATS THE EQUATION (AM CONFUSED ?)
WHATS THE EQUATION (AM CONFUSED ?)
Answers
Ms. Sue
x^2 = 21 + 4x
LISA
ok thanks
Ms. Sue
You're welcome.
LISA
so its x=7
x= -3
x= -3