Question

Class: 7
Expand and simplify:

1. (x-3)(x-8)+(x-4)(2x+9)


3x²-10x-12 should be the answer
please write with the solution​​

Answer 1

Answer:

5,6,7

Step-by-step explanation:

3expand and simplified is 567x2-10x-12 should be the answer

Answer 2

Answer:

answer is

x square-24-3x-24+3x-9x-8x-36

now change it

x square+3x-24-24+6x-8x-36

1. therefore 3x
2. $3 {x}^{2} - 10x - 12$