Exercice 17. Factoriser les expressions suivantes :

i. ka+kb=

ii. 42 x 104-42 x 4 =

iii. 7x+7x5= iv. 6x+6y=

v. 5a +5b-5c=

vi. 12x+3y=

vii. 24-8x=

viii. 3x+8x=

ix. 2x10=

x. -3x+12=

xi. 4y -4 =

xii. 6x+ ax=

xiii. 3 x 3 =

xiv. xy-5y =

xv. 5x²-5x=

xvi. 723-42²=

xvii. 14t+35 t² =

xviii. 2ab+8 6² =

xix. 4x²2x=

xx. 10x²15x+5x=

xxi. 42x5y³-30x²=

xxii. y7-18x4 y² =

xxiii. 24x³ + 12x² - 6x=

xxiv. 36x5-54x³+90x6 =​