Which of the following are techniques you have learned so far for solving a
quadratic equation?
Check all that apply.
O
A. Solve by taking the square root of both sides
B. Solve by forming sums of squares
c. Solve by factoring
D. Solve by substitution
O

the answer is 288..

hope this

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11

the answer is c.

step-by-step explanation:

what is the question? i am guessing you are looking for the area.

to find an area, you have to do length x width.

in this case, it would be 12 ft x 4 ft = 48 sq. ft