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If 2 is all over then
answer is
/2
if ur question is
(13+x)^1/2=x+5
take sqrt both side
13+x=(x+5)^2
u will get
x^2+9x+12=0
solve it for x
answer is
if ur question is
(13+x)^1/2=x+5
take sqrt both side
13+x=(x+5)^2
u will get
x^2+9x+12=0
solve it for x
<span>(9t-4)(-9t-4)
using the FOIL :
9t * -9t = -81 t^2
9t * -4 = -36 t
-4 * -9t = 36 t
-4 * -4 = 16
-----------------------add up and simplify
</span><span />
using the FOIL :
9t * -9t = -81 t^2
9t * -4 = -36 t
-4 * -9t = 36 t
-4 * -4 = 16
-----------------------add up and simplify