Chapter 1: Q80. (page 27)

Simplify each expression.
$4 (2 a + 5 b) - 3 (4 b - a)$

Short Answer

Expert verified

The required answer is $11 a + 8 b$ .

Step by step solution

Step 1- Observe the provided expression

The provided expression contain some terms which are having the same variable but to combine them the simplification of the terms is required.

– Simplify the terms

Use distributive property $a (b + c) = a b + a c$ for the expression.

$8 a + 20 b - 12 b + 3 a$

– Combine the like terms

Perform combination of terms that are having the same variables.

$11 a + 8 b$

Step 4- Make the conclusion

As nothing can be done further with the expression so obtained expression is the required expression.

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Simplify each expression.
$4 (2 a + 5 b) - 3 (4 b - a)$

Short Answer

Step by step solution

Step 1- Observe the provided expression

– Simplify the terms

– Combine the like terms

Step 4- Make the conclusion

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Simplify each expression.42a+5b-34b-a

Short Answer

Step by step solution

Step 1- Observe the provided expression

– Simplify the terms

– Combine the like terms

Step 4- Make the conclusion

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Probability and Statistics

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Geometry

Study anywhere. Anytime. Across all devices.

Simplify each expression.
$4 (2 a + 5 b) - 3 (4 b - a)$