👤

Sagot :

(6x-2)(5x+7)
=30x²+42x-10x-14
=30x²+32x-14

(4x+8)(3x-6) 
=12x²-24x+24x-48
=12x²-48

(2x-1)(-3x-5)
=-6x²-10x+3x+5.
= -6x²-7x+5

© 2024 IDNLearn. All rights reserved.