Subtract 4 x 3-8 x 2 from -2 x 3-3 x 2A- 6 x3-5 x2B- -6 x3-5 x2C- -6 x3-5 x2

The correct option is B 6x^3 5x^2We need to subtract 4x^3+8x^2 from 2x^3+3x^2. nbsp;i.e., 2x^3+3x^2 (4x^3+8x^2) ⇒ 2x^3+3x^2 4x^3 8x^2 nbsp; Combining the ...

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Byju's Answer

Standard IX

Mathematics

Subtraction of Polynomials

Subtract 4 x ...

Question

Subtract $4 x^{3} + 8 x^{2}$ from $- 2 x^{3} + 3 x^{2}$ . .

6 x^{3} - 5 x^{2}

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- 6 x^{3} - 5 x^{2}

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- 6 x^{3} + 5 x^{2}

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Solution

The correct option is B $- 6 x^{3} - 5 x^{2}$
We need to subtract
$4 x^{3} + 8 x^{2}$ from $- 2 x^{3} + 3 x^{2}$ .
i.e.,
$- 2 x^{3} + 3 x^{2} - (4 x^{3} + 8 x^{2})$
$\Rightarrow - 2 x^{3} + 3 x^{2} - 4 x^{3} - 8 x^{2}$
Combining the like terms,
$\Rightarrow - 2 x^{3} - 4 x^{3} - 8 x^{2} + 3 x^{2}$
$\Rightarrow - 6 x^{3} - 5 x^{2}$

Thus, $(- 2 x^{3} + 3 x^{2}) - (4 x^{3} + 8 x^{2})$ is $- 6 x^{3} - 5 x^{2}$ .

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Subtract 4x3+8x2 from −2x3+3x2. .

The correct option is B −6x3−5x2We need to subtract 4x3+8x2 from −2x3+3x2. i.e., −2x3+3x2−(4x3+8x2) ⇒−2x3+3x2−4x3−8x2 Combining the like terms, ⇒−2x3−4x3−8x2+3x2 ⇒−6x3−5x2 Thus, (−2x3+3x2)−(4x3+8x2) is −6x3−5x2.

Subtract $4 x^{3} + 8 x^{2}$ from $- 2 x^{3} + 3 x^{2}$ . .