Question

FACTORISE 4k²+9k +4​

Answer 1

Answer:

4k²+9k+4 = (k²+2)(4+2)

Step-by-step explanation:

1. The product is ‘a’ בc’ . so here a= 4k², c= 4

Therefore, a×c

= 4k² × 4

= 16k²

2. The factories 16 = (+8) (+8)

3. Factories :-

4k²+9k+4

4k²+ 8+8 +4

4(k²+2) + 2(4+2)

(k²+2)(4+2)

Answer:- 4k²+9k+4 = (k²+2)(4+2)

Rough work :-

4k² = 4 × k×k..........Here 4 is common

8 = 4×2

8 = 4×2..............Here 2 is common

4= 2×2

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