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Express as a trinomial.

(x+8)(x-9)
Answer:

Express as a trinomial.\newline(x+8)(x9) (x+8)(x-9) \newlineAnswer:

Full solution

Q. Express as a trinomial.\newline(x+8)(x9) (x+8)(x-9) \newlineAnswer:
  1. Apply Distributive Property: Apply the distributive property (also known as the FOIL method) to multiply the two binomials (x+8)(x+8) and (x9)(x-9).(x+8)(x9)=x(x9)+8(x9)(x+8)(x-9) = x(x-9) + 8(x-9)
  2. Multiply x Terms: Multiply xx by each term in the binomial (x9)(x-9).x(x9)=x×xx×9x(x-9) = x\times x - x\times 9=x29x= x^2 - 9x
  3. Multiply 88 Terms: Multiply 88 by each term in the binomial (x9)(x-9). \newline8(x9)=8×x8×98(x-9) = 8\times x - 8\times 9\newline=8x72= 8x - 72
  4. Combine Results: Combine the results from Step 22 and Step 33 to get the trinomial.\newline(x29x)+(8x72)(x^2 - 9x) + (8x - 72)\newline=x29x+8x72= x^2 - 9x + 8x - 72
  5. Combine Like Terms: Combine like terms by adding the coefficients of xx.x29x+8x72x^2 - 9x + 8x - 72=x2(9x8x)72= x^2 - (9x - 8x) - 72=x21x72= x^2 - 1x - 72

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