Asked by LISA

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 ?)

Answers

Answered by Ms. Sue
x^2 = 21 + 4x

Answered by LISA
ok thanks
Answered by Ms. Sue
You're welcome.
Answered by LISA
so its x=7
x= -3
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