-1 karansingh Asked: January 17, 20232023-01-17T11:25:44+05:30 2023-01-17T11:25:44+05:30In: CBSE What should be subtracted from the polynomial of p(x)= x²-3ax + 3a- 7 so that, (x + 2) is a factor of the polynomial p(x) and hence also find the value of a -1 this question is very important from class 10 boards perspective. kindly help with this cbseclass 10important questionpolynomials Share Facebook 1 Answer Voted Oldest Recent Areeb khalid 2023-01-20T10:50:29+05:30Added an answer on January 20, 2023 at 10:50 am Since x+2 is a factor of the polynomial p(x) for x*2−3ax+3a−7 Therefore, by Factor theorem p(−2)=0 ⇒(−2) (-2)*2−3a(−2)+3a−7=0 ⇒4+6a+3a−7=0 ⇒a= -1 -6 Reply Share Share Share on Facebook Share on Twitter Share on LinkedIn Share on WhatsApp Leave an answerLeave an answerCancel reply Featured image Select file Browse Add a Video to describe the problem better. Video type Youtube Vimeo Dailymotion Facebook Choose from here the video type. Video ID Put Video ID here: https://www.youtube.com/watch?v=sdUUx5FdySs Ex: "sdUUx5FdySs". Click on image to update the captcha. Save my name, email, and website in this browser for the next time I comment. Related Questions 2. Write the arithmetic progression when the first term a and common difference d are as follows: (i) ... Speed of a boat in still water is 15 km/h. It goes 30 km upstream and returns back ... Find the values of k for which the pair of linear equations kx + 3y = k-2 and ... . Solve for x and y: 0.4x-1.5y = 6.5, 0.3x-0.2y=0.9. Solve graphically the system of linear equations 4x-5y +16=0 and 2x+y-6 = 0. Determine the vertices of the ...

Since x+2 is a factor of the polynomial p(x) for

x*2−3ax+3a−7

Therefore, by Factor theorem p(−2)=0

⇒(−2)

(-2)*2−3a(−2)+3a−7=0

⇒4+6a+3a−7=0

⇒a= -1