The simplified form of theexpression(x-9)(x+11) is x² + 2x - 99.The given expression is (x-9)(x+11).This is amultiplicationof two binomials: (x-9) and (x+11).To simplify the expression, we can use the FOIL method, which stands for First, Outer, Inner, Last.First: Multiply the first terms of eachbinomial: x× x = x²Outer: Multiply the outer terms: x × 11 = 11xInner: Multiply the inner terms: -9 × x = -9xLast: Multiply the last terms of each binomial: -9 × 11 = -99Now, we cancombinethe terms obtained:(x-9)(x+11) = x² + 11x - 9x - 99Simplifying further, we can combine like terms:x² + 11x - 9x - 99Combine thelike terms:x² + 2x - 99To learn more onExpressionsclick:brainly.com/question/14083225#SPJ2CAN YOU DECIPHER THE QUOTATION ?(x-9) (x+11)​...

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