sederhanakan bentuk aljabar berikut a. 5×3y+2×-7y b. 3(4a×2)

Question

Matematika Diposting : 2017-07-13 Diupdate : 2023-11-26 anialfma

Pertanyaan

sederhanakan bentuk aljabar berikut
a. 5×3y+2×-7y
b. 3(4a×2)

Answer 1

A . 5 x 3y + 2x - 7y
= 15y + 2x - 7y
= 2x + 8y ( dibagi2 )
= x + 4y

B . 3(4a x 2)
= 24a

Answer 2

a. (5 x 3y) + 2x - 7y
= 15y + 2x - 7y
= 15y-7y + 2x
= 2x + 8y => :2
= x + 4y

b. 3(4a x 2)
= 12a x 6
= 72a