Question

The square of 9 less than a number is 3 less than the number. What is the number?
–12 or 7
–12 or –7
–7 or 12
7 or 12

Answer 1

i appreciate interaction and the help but answers are greatly appreciated. Imtaking a timed quiz,

Answer 2

so 3 less than a number is 3 less than a number, well that at least mewans its positive.

Answer 3

or is it a number minus 9^2 is 3 less than a number either ways it is still gonna be positive

Answer 4

(x - 9)² = x - 3
x² - 18x + 81 = x - 3
x² - 19x + 84 = 0
(x - 12)(x - 7) = 0
x = 12 or x = 7

Answer 5

Right. They both will be postitive:)

Answer 6

thank you guys! @Slenderman @YanaSidlinskiy

Answer 7

Yeap