I say step 4 is incorrect.
Answer: don’t know the answer but use this link I hope I can helps u
http://kevinsworkbench.com/scopecalculator/index.html
Step-by-step explanation:
Answer:
4x2 + 3x + 4
Step-by-step explanation:
Step-1 : Multiply the coefficient of the first term by the constant 4 • 4 = 16
Step-2 : Find two factors of 16 whose sum equals the coefficient of the middle term, which is 3 .
-16+-1=-17
-8+-2=-10
-4+-4=-8
-2+-8=-10
-1+-16=-17
1+16=17
2+8=10
4+4=8
8+2=10
16+1=17
Final result :
4x2 + 3x + 4
Answer: 22.99
15 percent of (19.99 U.S. dollars) =
2.9985 U.S. dollars
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19.99
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