Question

2. Factorise :
(i) a²-ab-3a + 3b
(in) xây xỷ + 5x - 5y
(iii) a²-ab (1-b) - b³
(iv) xy² + (x-1)y - 1
(v) (ax + by)2 + (bx - ay)²
(vi) ab(x² + y²) -xy(a² + b²)
(vii) m-1-(m - 1)² + am - a

3. Factorise :
(i) a²-(b-c)²
(ii) 25(2x - y)² - 16(x - 2y)²
(iii) 16(5x+4)²-9(3x - 2)²
(iv) 9x². 1 16
(v) 25(x-2y)²-4

4. Factorise :
(i) a²-23a + 42.
(iii) 1-18x-63x²
(v) x(3x+14) +8
(vii) x²y²-3xy - 40
(ii) a²-23a - 108
(iv) 5x² - 4xy - 12y²
(vi) 5-4x(1 + 3x)
(viii) (3x-2y)² - 5(3x-2y) - 24
(ix) 12(a + b)²(a + b) - 35​

Answer 1

Answer:

the factories of a^2 - 23a +24