Question

Factorise the following using appropriate identities
9
(1) 490+ 70ab +2562
y?
16 9
(iii) 7 - 2 + 1
x² + 3x + 2
1
(iv)x^2 +3x+2 ​

Answer 1

Answer:

sorry question is not all clear sorry

Answer 2

$4. \\ {x}^{2} + 3x + 2 \\ = {x}^{2} + 2x + x + 2 \\ = x(x + 2) + 1(x + 2) \\ = (x + 2)(x + 1)$