Question

16) Factorise (i) x2 + 5x + 4​

Answer 1

Answer:

(x+4) (x+1)

Step-by-step explanation:

= x^2+4x+1x+4

= x(x+4)+1(x+4)

= (x+4)(x+1)

Answer 2

$\huge\underline \mathfrak \red{AnswEr}$

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X = - 1 and X = -4

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SOLUTION:-

$= > {x}^{2} + 5x + 4 \\ ......here \\ 4 \times 1 = 4 \\ and \\ 4 + 1 = 5 \\ = > {x}^{2} + 4x + x + 4 \\ = > x(x + 4) + 1(x + 4) \\ = > (x + 1)(x + 4) \\ = > x = - 1 \: and \: x = - 4$

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