Question

(3x - 4²)=

(x + 5)²=

(x - 6)²=

(x - 6)²=

(x + 6) (x - 6)=​

Answer 1

( 3x -4).(3x -4)= 9x² - 12x - 12x +16= 9x² -24x +16

(x+5).(x+5)= x² +5x +5x +25= x² +10x +25

(x-6).(x-6)= x² -6x -6x +36=x² -12x +36

(x+6).(x-6)= x² -6x +6x - 36 = x² - 36