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Factorise 3^x + 3^x+1 hence evaluate the value of x in

Factorise 3^x + 3^x+1 hence evaluate the value of x in 3^x + 3^x+1 = 36

Answers

3^x + 3^x+1

= 3^x + 3^x x 3¹ = 3^x(1 + 3)

= 3^x (4) = 4(3^x)

= 4(3^x) = 36

Divide both sides by 4 get to get

3^x = 9

Express both sides to the same

base to get 3^x = 3²

x = 2

johnmulu answered the question on June 13, 2017 at 05:06

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