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Without expanding any brackets show how to work out the exact solutions of 25(2x+3)^2 = 16 (give the solutions)

Without expanding any brackets show how to work out the exact solutions of 25(2x+3)^2 = 16 (give the solutions)
asked 213k views
5 votes
Without expanding any brackets

show how to work out the exact solutions of 25(2x+3)^2 = 16
(give the solutions)

asked
User Saritha
by
7.8k points

1 Answer

1 vote

Answer:

(2x+3)^2 = 16/25

(2x+3) = √(16/25)

2x+3 = 4/5

2x = 4/5 - 3

x = -1 .1

answered
User Jcalloway
by
8.5k points
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