The price of a necklace was increased by 10% to £154.What was the price before the increase?
2 answers:
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Answer:
Add 36. The factored form is .
Step-by-step explanation:
A perfect square is a trinomial that factors into the form . To find the value to add to it divide 20 by 2 and square it.
12/2 = 6
6*6 = 36
This means c=36. The factored form is .