Question

- Multiply (4x^2 + 3y) by (2x + 4y – 5) and find the value of the product for x= 1 and y=-2.
Factorize the following expressions completely :​

Answer 1

Answer:

answer is-22

Step-by-step explanation:

4x^2=4^2

3y=-6

2x=2

4y=-8

-5=-5

[4^2+(-6)]×[2+(-8)-5]

[8+(-6)]×[2+(-8)-5]

[2]×[-11]

=-22