You buy a sweatshirt for $50, it is on sale for 20% off. What is the discount? What is the sale
2 answers:
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Step 2: She did not simplify under the square root correctly
under the square root:
(-6)^2 =36
and -4(5)(-8) =160
therefore under the square root it needs to be square root of 36+160 which is square root of 196.
That answer is 14 when square rooted
