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Which of the following expressions is equivalent to -(3x^(2)+5) ? Choose 1 answer: (A) -8x^(2) (B) -3x^(2)-5 (c) -3x^(2)+5 (D) 3x^(2)-5

Which of the following expressions is equivalent to −(3x2+5) -\left(3 x^{2}+5\right) ?\newlineChoose 11 answer:\newline(A) −8x2 -8 x^{2} \newline(B) −3x2−5 -3 x^{2}-5 \newline(C) −3x2+5 -3 x^{2}+5 \newline(D) 3x2−5 3 x^{2}-5

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Full solution

Q. Which of the following expressions is equivalent to −(3x2+5) -\left(3 x^{2}+5\right) ?\newlineChoose 11 answer:\newline(A) −8x2 -8 x^{2} \newline(B) −3x2−5 -3 x^{2}-5 \newline(C) −3x2+5 -3 x^{2}+5 \newline(D) 3x2−5 3 x^{2}-5
  1. Apply negative sign: Apply the negative sign to each term inside the parentheses.\newline−3x2+5-3x^{2} + 5 \newline=−1×3x2−1×5= -1 \times 3x^{2} - 1 \times 5 \newline=−3x2−5= -3x^{2} - 5
  2. Simplify expression: Match the simplified expression with the given choices.\newlineThe expression −3x2−5-3x^{2} - 5 corresponds to choice (B).

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