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 ?)

13 years ago

Answered by Ms. Sue

x^2 = 21 + 4x

13 years ago

Answered by LISA

ok thanks

13 years ago

Answered by Ms. Sue

You're welcome.

13 years ago

Answered by LISA

so its x=7
x= -3

13 years ago

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