Question

5.Find the product using identity(2X+6)(2x-8)
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Answer 1

Answer:

(2x)²+6*2x-2x*8-6*8

4x²+12-16x-48

4x²-16x-36

x²-4x-9

I hope you will understand

Answer 2

Answer:

Given:

(2x+6)(2x-8)

Identity:

(x+a)(x-b)

${x}^{2} + (a - b)x - ab$

Solution:

$( {2x})^{2} + (6 - 8)2x + 6( - 8)$

$= 4 {x}^{2} - 4x - 48$

Verification by multiplication:

(2x+6)(2x-8)

2x(2x-8)+6(2x-8)

4x^2-16x+12x-48

4x^2-4x-48