6xy-12x-18y=? a-2ax-4ay -a mũ2 +4a+a= ?

Question

6xy-12x-18y=?
a-2ax-4ay
-a mũ2 +4a+a= ?

in progress 0
Vodka 4 years 2020-10-16T16:45:14+00:00 2 Answers 100 views 0

Answers ( )

  1. dangkhoa
    0
    2020-10-16T16:46:22+00:00
    Reply

    Giải thích các bước giải:

     $6xy-12x-18y=6(xy-2x-3y)$

    $a-2ax-4ay=a(1-2x-4y)$

    $-a^2+4a+a=-a^2+5a=a(5-a)$

  2. Amity
    1
    2020-10-16T16:46:49+00:00
    Reply

    `6xy-12x-18y=6(xy-2x-3y)`

    `a-2ax-4ay=a(1-2x-4y)`

    `-a²+4a+a=-a(a-4-1)=-a(a-5)`

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )