Question

3. Factorise the expressions.
1) ar? + bx
(i) 7p2 + 219
(iv) am² + bm² + bn² + an?
(vi) y(y + 2) +9 (y +z)
(viii) 10ab + 4a + 5b + 2
(iii) 2x3 + 2xy + 2xz2
(v) (lm + 1) + m +1
vii) 5y2 - 20y - 8z + 2yz
(ix) 6xy - 4y + 6 - 9x​

Answer 1

Answer:

(ix)6xy- 4y + 9x-6 ( we have to shift the digit because we have to the make the equal value)

2y (3x-2) +3(3x- 2)

(3x-2) (2y+3)

$(iv) \: {m}^{2} (a + b) \: + n(a + b) \\ (a + b) \: ( {m}^{2} + n) \\ (viii) \: 2a \: (5b + 2) + 1(5b + 2) \\ (5b + 2) \: (2a + 1)$