Question

factorise:
1. x^2+5x+6
2. 5x^2+18x+9

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Answer 1

Answer:

1. (x+3)(x+2)

2. (x+3)(5x+3)

Step-by-step explanation:

1. x² + 5x + 6

= x² + 3x + 2x + 6

= x(x+3) + 2(x+3)

=(x+3)(x+2)

2. 5x²+18x+9

= 5x² + 15x + 3x + 9

= 5x(x+3) + 3(x+3)

= (x+3)(5x+3)