Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 8 Answered

(X²+2x+1) + 2(x²-1)
Asked by agarwalmamta469 | 21 Jul, 2020, 09:11: PM
answered-by-expert Expert Answer
x2+2x+1+2(x2-1)
= x2 + 2x + 1 + 2x2 - 2
= 3x2 + 2x - 1
= 3x2 + 3x - x - 1
= 3x(x+1) - (x+1)
= (x+1)(3x-1)
Answered by Renu Varma | 22 Jul, 2020, 11:31: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 8 - Maths
3m-9=4x-9/2+5x/7
question image
Asked by chauhannaman12b | 25 Apr, 2024, 09:33: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
9/16×4/12) +9/10×-3/9
Asked by gk9941740 | 23 Apr, 2024, 05:13: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
absolute value of product of the sum of 17/21 and 8/7 by their difference
Asked by pinkiyadav79919 | 22 Apr, 2024, 08:03: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
a 300million year old fossil of a cockroach was recently found in Ohio,america the ancient cockroach was 4right one upon two inches long while the modern cockroach is one upon two inches long how many times longer is the ancient cockroach than the modern cockroach
question image
Asked by hk1354035 | 20 Apr, 2024, 06:33: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
A 1 117 3 m long rope is cut into equal pieces measuring 1 7 3 m each. How many such small pieces are these?
Asked by kaminiverma8787 | 16 Apr, 2024, 04:22: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
the price of 100 pens rs 500 whole 3/5 and price of 50 pencils is rs.100 whole 1/5.the price of 3 pethe price of 100 pens rs 500 whole 3/5 and price of 50 pencils is rs.100 whole 1/5.the price of 3 pens and 5 pencil, is
Asked by chauhanshivansh112 | 15 Apr, 2024, 08:41: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
doubt
question image
Asked by supraja21nuthalapati | 12 Apr, 2024, 08:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
what is rational number
Asked by anuragprasad24311 | 03 Apr, 2024, 01:07: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
Construct a rhombus bc=4cm [BCD=30° write steps
question image
Asked by padmadandu1207 | 02 Apr, 2024, 10:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 8 - Maths
a sum of money is kept at 5%p.అ compound intrest for అ period of 3 years. if the compound interest earned is ₹1261 , what is the sum of money invested?
Asked by rathlavathpandu601 | 31 Mar, 2024, 08:33: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×