Solve x⁴-3x²+2=0 using substitution. u=
A. x
B. x²
C. 3x²
D. x⁴
Select the solution(s) of the original equation.
A. x=√2
B. x=1
C. x=i
D. x=-1
E. x=-√2
F. x=-i

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

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step-by-step explanation:

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