11 (a) Factorise.5x-15..[1](b)Solve.4(3x-2)=28---[3](c)Simplify.(4a)/b*(3b^2)/(2a^2)[2](d) On the number line, show the inequality x≤3.4 3-i1034[1](e) Solve.7x3x+6---[2](f) Solve these simultaneous equations.x+y=5x-y=7r=y=...[2] 相关知识点: ...
15 + 15 = 0 as, p(-3) = 0, x+3 is a factor of x 3 + 3x 2 + 5x +15. question 2: factorize x 2 + 5x + 6. solution: let us try factorizing this polynomial using splitting the middle term method. factoring polynomials by splitting the middle term: in this technique we ...
Factorise :4x2+3x−10 View Solution Factorise : (v)x4−5x2−36 View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation and CBSE, UP ...
2(b)(i)( 5 x - 4)(3 x + 2 )oe final answer 2(b)(i)4/5oeand-2/3oe 2(b)(i) B1 for (ax +b)(cx +d) where either ac = 15 and bd =-8 or ad + bc =-2 or 5x(3x+ 2)-4(3x+2) or 3x(5x-4)+ 2(5x-4) or correct factors seen and spoiled FT a f...
Factor the given polynomial: xy - 5x + y - 15 Factor the given polynomial: 9x^3 - 24x^2 + 16x Factor the given polynomial: xy + 2x + y + 2 Factor the given polynomial completely: 10t^2 + 29t - 21 Factor the given polynomial: 10x^2 + 29x - 21 ...
(x+6)(x-7)x>2.4(a)for (x ± 6)(x ± 7)(b)3x - 8x < 3 - 15 or 15-3 <8x - 3x- 5x <- 12 or 12 < 5xaccept as equation or with the wronginequality sign.accept as equation or with the wronginequality sign.Accept or oeallow award M1 M1 A0 for with sign or n...
12x+20y 8x+4x+22y–2y 12x–6y+26y 8x+6x–2x+22y–2yCompleteyourdiagram Lettersfornumbers:a+b=10,whatcouldaandbbe?ifa=2,b=8whatisa+b?ifa=25,b=5whatisa+b?Letters,numbersandarea 6 2 b 5 Area?2x6=12 Area?5xb=5b Letters,numbersandarea 4 a 4 a Area?4x4=16Area?axa=a2 Lette...