Question

subtract 5x²+3x+2 from 4x -3x²+7
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Answer 1

Answer:

Subtract 5x²+3x+2 from 4x -3x²+7 then we get 8x² - x - 5.

Step-by-step explanation:

subtract 5x²+3x+2 from 4x -3x²+7

(4x -3x²+7) - (5x²+3x+2)

When subtracting change sign of brackets after subtracting sign

= 4x -3x²+7  -  5x²-3x - 2

Now rearrange the similar terms

= 4x  -3x -3x² -  5x²+7 - 2

= ( 4 - 3)x + (-3 -5)x² + (7 - 2)

= x - 8x²+ 5

=-8x² + x + 5

Or

= 8x² - x - 5

Answer 2

To subtract : $5x^{2} + 3x + 2$ from $4x -3x^{2} + 7$

Solution :

• To subtract given algebraic expression, we subtract like terms together .
• Therefore, arranging given terms in correct order, we get,

        $(4x -3x^{2} + 7 )- (5x^{2} +3x + 2 )$

• Removing parenthesis and changing sign of terms in second bracket in  given expressions.
• $(4x -3x^{2} + 7 )- (5x^{2} +3x + 2 )$

        $= 4x -3x^{2} + 7 - 5x^{2} -3x -2 \\= - 8x^{2} + x + 5$

Hence , difference of given terms is $-8x^{2} +x + 5$ .