Question

Find the product (4x + 5) (4x -1)

Answer 1

Answer:

16x^2 -16x -5

step by step explanation

(4x+5)(4x-1)

4x(4x-1)+5(4x-1)

16x^2-4x+20x-5

16x^2-16x-5

Answer 2

Given:

• (4x + 5) (4x -1)

To find:

• The product of (4x + 5) (4x -1)?

Solution:

☯ In order to find the product, We will multiply the first term of first expression with second expression and then second term of first expression with second expression.

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« Let's find product,

⇒(4x + 5) (4x -1)

⇒4x(4x) + 4x(-1) + 5(4x) + 5(-1)

⇒16x² - 4x + 20x - 5

⇒16x² + 16x - 5

∴ Hence, The product of (4x + 5) (4x -1) is 16x² + 16x - 5.