Subtract 4.5x⁵ - 3.4x² + 5.7 from 5x⁴ - 3.2x² - 7.3x
Solution:
Given, the expressions are 4.5x⁵ - 3.4x² + 5.7 and 5x⁴ - 3.2x² - 7.3x.
We have to subtract the expressions
On subtracting the expressions,
= 5x⁴ - 3.2x² - 7.3x - (4.5x⁵ - 3.4x² + 5.7)
= 5x⁴ - 3.2x² - 7.3x - 4.5x⁵ + 3.4x² - 5.7
By combining the like terms,
= 5x⁴ - 3.2x² + 3.4x² - 7.3x - 4.5x⁵ - 5.7
= 5x⁴ + (-3.2 + 3.4)x² - 7.3x - 4.5x⁵ - 5.7
= 5x⁴ + (0.2)x² - 7.3x - 4.5x⁵ - 5.7
= -4.5x⁵ + 5x⁴ + 0.2x² - 7.3x - 5.7
Therefore, the required expression is -4.5x⁵ + 5x⁴ + 0.2x² - 7.3x - 5.7
✦ Try This: Subtract 5.7x⁵ - 2.8x² + 7.3 from 4x⁴ - 2.4x² - 9.3x
☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 12
NCERT Exemplar Class 7 Maths Chapter 10 Problem 58 (i)
Subtract 4.5x⁵ - 3.4x² + 5.7 from 5x⁴ - 3.2x² - 7.3x
Summary:
On subtracting 4.5x⁵ - 3.4x² + 5.7 from 5x⁴ - 3.2x² - 7.3x, we get -4.5x⁵ + 5x⁴ + 0.2x² - 7.3x - 5.7
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