Question

PLS HELP 100 pointsGiven the equation −4square root of x minus 3 = -12, solve for x and identify if it is an extraneous solution.

Answer 1

x=4 17/64

Explanation:

-4(sq rt x)-3=-12

simplify

-4(sq rt x)-3+3=-12+3

-4(sq rt x)=-9

-4(sq rt x)/-4=9/-4

sq rt x=-9/4

x=-9/4 x -9/4=81/16

x=4 17/64 or 4.27