factorise 9x^2-24x+16
Answers
Answered by
19
9X^2-24X+16
9X^2-(12+12)X+16
9X^2-12X-12X+16
3X (3X-4)-4 (3X-4)
(3X-4)(3X-4)
now..
3X-4=0
3X=4
X=3/4
9X^2-(12+12)X+16
9X^2-12X-12X+16
3X (3X-4)-4 (3X-4)
(3X-4)(3X-4)
now..
3X-4=0
3X=4
X=3/4
Answered by
34
9x^2-(12+12)x+16
9x^2-12x-12x+16
3x(3x-4) -4(3x-4)
(3x-4)(3x-4)
9x^2-12x-12x+16
3x(3x-4) -4(3x-4)
(3x-4)(3x-4)
Similar questions