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Express as a trinomial.

(x+7)(x+3)
Answer:

Express as a trinomial.\newline(x+7)(x+3) (x+7)(x+3) \newlineAnswer:

Full solution

Q. Express as a trinomial.\newline(x+7)(x+3) (x+7)(x+3) \newlineAnswer:
  1. Apply Distributive Property: Apply the distributive property (also known as the FOIL method) to multiply the two binomials (x+7)(x+7) and (x+3)(x+3).(x+7)(x+3)=x(x)+x(3)+7(x)+7(3)(x+7)(x+3) = x(x) + x(3) + 7(x) + 7(3)
  2. Perform Multiplication: Perform the multiplication for each term.\newlinex(x)=x2x(x) = x^2\newlinex(3)=3xx(3) = 3x\newline7(x)=7x7(x) = 7x\newline7(3)=217(3) = 21
  3. Combine Like Terms: Combine like terms.\newlinex2+3x+7x+21=x2+(3x+7x)+21x^2 + 3x + 7x + 21 = x^2 + (3x + 7x) + 21
  4. Add Coefficients: Add the coefficients of the xx terms.3x+7x=10x3x + 7x = 10x
  5. Write Final Trinomial: Write the final trinomial. x2+10x+21x^2 + 10x + 21

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