Respuesta :
15x + 9 is the answer
7x - 4 + 8x + 5
add 4
7x + 8x + 9
7x + 8x is 15x
The answer will come out to
15x + 9
7x - 4 + 8x + 5
add 4
7x + 8x + 9
7x + 8x is 15x
The answer will come out to
15x + 9
The product of 7x-4 and 8x+5 = 56x² + 3x - 20
Products of two equations
7x-4 × 8x+5
Simplify,
= 7x (8x + 5) -4 ( 8x+5)
= 7x * 8x + 7x * 5 - 4 * 8x - 4*5
= 56x² + 35x - 32x - 20
= 56x² + 3x - 20
Therefore, the product of 7x-4 and 8x+5 = 56x² + 3x - 20
Learn more about simplified equations here:
https://brainly.com/question/432678