Question

Solve the quadratic equation x ^2- 3(x + 3) = 0. Give
your answer correct to two significant figures.​

Answer 1

Answer:

0 or 3/2

Step-by-step explanation:

first expand the equation

x^2-3x-9=0

by the completing square method

x^2-3x+(9/4)-9/4=0

(x-3/2)^2-(3/2)^2=0

x is 0 or 3/2

Answer 2

HOPE IT HELPS U..............