Question

find the product by column method: (3x-4)(5x-6)​

Answer 1

Answer:

(3x-4)(5x-6)

3x(5x-6)-4(5x-6)

15x^2-18x-20x+20

15x^2-38x+20

Answer 2

Answer:

(3x-4)(5x-6)

3x(5x-6)-4(5x-6)

15x^2-18x-20x+24

15x^2-38x+24=0

15x^2-20x-18x+24=0

5x(3x-4)-6(3x-4)=0

(5x-6)(3x-4)=0

5x-6=0. , 3x-4=0

x=6/5. or. x=4/3