Aidez-moi à finir le c , e , f , g , h ( la factorisation ) svp ​

C- 100x^2-9
(10x)^2 - 3^2
(10x +3)(10x-3)

E- 4x^2 -25
(2x)^2-5^2
(2x-5)(2x+5)

F- (t+3)^2-16
(T+3-4)(t+3+4)
(T-1)(t+7)

G- (2x-1)^2 -25
(2x-1-5)(2x-1+5)
(2x-6)(2x+4)

H- (3i+7)^2-(i+5)^2
(3i+7-i-5)(3i+7+i+5)
(2i+2)(4i+12)