Subtract : 6a + 3 from A3 − 3a2 + 4a + 1 - Mathematics

Subtract : 6a + 3 from a³ − 3a² + 4a + 1

Sum

a³ − 3a² + 4a + 1
+ 6a + 3
− −
a³ − 3a² − 2a − 2

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Combining like Terms

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Chapter 11 Algebraic Expressions
Exercise 11 (B) | Q 4.5 | Page 140

Evaluate :

−7x² + 18x² + 3x²− 5x²

Evaluate :

7x − 9y + 3 − 3x − 5y + 8

Add : 3b − 7c + 10, 5c − 2b − 15, 15 + 12c + b

Add : x³ − x²y + 5xy² + y³, - x³ − 9xy² + y³, 3x²y + 9xy²

Find the total savings of a boy who saves ₹ (4x – 6y), ₹ (6x + 2y), ₹ (4y – x) and ₹ (y – 2x) for four consecutive weeks.

Subtract : 3a − 5b + c + 2d from 7a − 3b + c − 2d

Take away – 3x³ + 4x² – 5x+ 6 from 3x³ – 4x² + 5x – 6

What must be added to x⁴ – x³ + x² + x + 3 to obtain x⁴ + x² – 1 ?

If x = 6a + 8b + 9c ; y = 2b – 3a – 6c and z = c – b + 3a ; find :

The two adjacent sides of a rectangle are 2x² – 5xy + 3z² and 4xy – x² – z². Find its perimeter.