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Subtract.\newline(9a+5)−(2a+4)(9a + 5) - (2a + 4)\newline____

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Full solution

Q. Subtract.\newline(9a+5)−(2a+4)(9a + 5) - (2a + 4)\newline____
  1. Distribution of negative sign: We start by distributing the negative sign across the terms in the second parentheses.\newline(9a+5)−(2a+4)=9a+5−2a−4(9a + 5) - (2a + 4) = 9a + 5 - 2a - 4
  2. Grouping like terms: Next, we group like terms together to simplify the expression. We combine the terms with 'a' and the constant terms separately. \newline9a+5−2a−4=(9a−2a)+(5−4)9a + 5 - 2a - 4 = (9a - 2a) + (5 - 4)
  3. Perform subtraction for each group of like terms: Now we perform the subtraction for each group of like terms. \newline9a−2a=7a9a - 2a = 7a\newline5−4=15 - 4 = 1
  4. Write down simplified expression: Finally, we write down the simplified expression by combining the results from the previous step. \newline (9a+5)−(2a+4)=7a+1(9a + 5) - (2a + 4) = 7a + 1

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