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What is the value of the expression below when 
y=4 ?

5y^(2)-5y+5
Answer:

What is the value of the expression below when y=4 y=4 ?\newline5y25y+5 5 y^{2}-5 y+5 \newlineAnswer:

Full solution

Q. What is the value of the expression below when y=4 y=4 ?\newline5y25y+5 5 y^{2}-5 y+5 \newlineAnswer:
  1. Substitute y value: Substitute the value of yy into the expression.\newlineWe are given y=4y=4, so we substitute 44 for yy in the expression 5y25y+55y^{2}-5y+5.\newlineThis gives us 5(4)25(4)+55(4)^2 - 5(4) + 5.
  2. Calculate 44 squared: Calculate the value of 44 squared.\newline44 squared is 4×44 \times 4, which equals 1616.\newlineSo, we now have 5(16)5(4)+55(16) - 5(4) + 5.
  3. Multiply and calculate: Multiply 55 by 1616 and 55 by 44.\ Multiplying 55 by 1616 gives us 8080, and multiplying 55 by 44 gives us 2020.\ So, the expression becomes 161600.
  4. Perform subtraction and addition: Perform the subtraction and addition.\newlineSubtract 2020 from 8080 to get 6060, and then add 55 to get 6565.\newlineSo, the final value of the expression is 6565.

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