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earnstyle [38]
3 years ago
14

Factorise 3x^2+13x+4 by splitting the middle term

Mathematics
1 answer:
mihalych1998 [28]3 years ago
4 0

Answer:

( x + 4 ) ( 3x + 1 )

Step-by-step explanation:

→ Identify the product, sum & factors

Product = 4

Sum = 13

Factors = 4 & 1

3x² + 12x + x + 4

→ Factorise 3x² + 12x and x + 4

3x² + 12x ⇔ 3x ( x + 4 )

x + 4 ⇔ 1 ( x + 4 )

→ Take out the ( x + 4 ) as a factor and ( 3x + 1 )

( x + 4 ) ( 3x + 1 )

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Answer:

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Step-by-step explanation:

9×8×7×6×5×4×3×2×1

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