Which of the following expressions is equivalent to -2(-x^(2)-3) ? Choose 1 answer: (A) 2x^(2)-6 (B) 2x^(2)-3 (c) 2x^(2)+3 (D) 2x^(2)+6

Distribute -2: We need to distribute the -2 across the terms inside the parentheses. Calculation: -2(-x^(2)) - 2(-3)Multiply -2: Multiplying -2 by -x^(2) gives us 2x^(2). Calculation: -2(-x^(2)) = 2x^(2)Combine Results: Multiplying -2 by -3 gives us +6. Calculation: -2(-3) = 6Combine the results from the previous steps to get the final expression. Calculation: 2x^(2) + 6

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Which of the following expressions is equivalent to
-2(-x^(2)-3) ?
Choose 1 answer:
(A)
2x^(2)-6
(B)
2x^(2)-3
(c)
2x^(2)+3
(D)
2x^(2)+6

Which of the following expressions is equivalent to $-2\left(-x^{2}-3\right)$ ? $\newline$ Choose $1$ answer: $\newline$ (A) $2 x^{2}-6$ $\newline$ (B) $2 x^{2}-3$ $\newline$ (C) $2 x^{2}+3$ $\newline$ (D) $2 x^{2}+6$

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Math Problems

Grade 7

Identify equivalent linear expressions I

Full solution

Q. Which of the following expressions is equivalent to

-2\left(-x^{2}-3\right)

\newline

Choose

1

answer:

\newline

(A)

2 x^{2}-6

\newline

(B)

2 x^{2}-3

\newline

(C)

2 x^{2}+3

\newline

(D)

2 x^{2}+6

Distribute $-2$ : We need to distribute the $-2$ across the terms inside the parentheses. $\newline$ Calculation: $-2(-x^{2}) - 2(-3)$
Multiply $-2$ : Multiplying $-2$ by $-x^{2}$ gives us $2x^{2}$ . $\newline$ Calculation: $-2(-x^{2}) = 2x^{2}$
Combine Results: Multiplying $-2$ by $-3$ gives us $+6$ . $\newline$ Calculation: $-2(-3) = 6$
Combine Results: Multiplying $-2$ by $-3$ gives us $+6$ . Calculation: $-2(-3) = 6$ Combine the results from the previous steps to get the final expression. Calculation: $2x^{2} + 6$