Sapo 237 Questions 1k Answers 0 Best Answers 20 Points View Profile0 Sapo Asked: October 14, 20202020-10-14T01:52:34+00:00 2020-10-14T01:52:34+00:00In: Môn ToánCác bạn làm cho mk câu 110Các bạn làm cho mk câu 11 ShareFacebookRelated Questions A)phân tích các đa thức sau thành nhân tử 1) 3x (x-1)+7x ²(x-1) 2)6x mux4-9x ³ 3)5y mũ 10+15y mũ 6 4)x ³-64 5)x mũ ... Câu số 1 iem gạch 1 dấu chấm rồi nha mn ! Mn giải nhanh giúp iem , ko cần ... tìm x, y, z biết: $\frac{x-1}{2}$ = $\frac{y+3}{4}$ = $\frac{z-5}{6}$ và 5z+3x-4y=502 AnswersOldestVotedRecentJezebel 245 Questions 1k Answers 0 Best Answers 20 Points View Profile Jezebel 2020-10-14T01:53:43+00:00Added an answer on October 14, 2020 at 1:53 am $11)_{}$ $2x.(2x-1)^2-3x.(x+3)(x-3)-4x.(x+1)^2_{}$$=2x.(4x^2-4x+1)-3x.(x^2-9)-4x.(x^2+2x+1)_{}$$=8x^3-8x^2+2x-3x^3+27x-4x^3-8x^2-4x_{}$$=x^3-16x^2+25x_{}$0Reply Share ShareShare on FacebookNeala 226 Questions 1k Answers 0 Best Answers 20 Points View Profile Neala 2020-10-14T01:53:56+00:00Added an answer on October 14, 2020 at 1:53 am Đáp án: `2x(2x-1)^2-3x(x+3)(x-3)-4x(x+1)^2``=2x(4x^2-4x+1)-3x(x^2-9)-4x(x^2+2x+1)``=8x^3-8x^2+2x-3x^3+27x-4x^3-8x^2-4x``=x^3-16x^2+25x` 0Reply Share ShareShare on FacebookLeave an answerLeave an answerCancel reply By answering, you agree to the Terms of Service and Privacy Policy .* Save my name, email, and website in this browser for the next time I comment.
Jezebel
$11)_{}$ $2x.(2x-1)^2-3x.(x+3)(x-3)-4x.(x+1)^2_{}$
$=2x.(4x^2-4x+1)-3x.(x^2-9)-4x.(x^2+2x+1)_{}$
$=8x^3-8x^2+2x-3x^3+27x-4x^3-8x^2-4x_{}$
$=x^3-16x^2+25x_{}$
Neala
Đáp án:
`2x(2x-1)^2-3x(x+3)(x-3)-4x(x+1)^2`
`=2x(4x^2-4x+1)-3x(x^2-9)-4x(x^2+2x+1)`
`=8x^3-8x^2+2x-3x^3+27x-4x^3-8x^2-4x`
`=x^3-16x^2+25x`