Question

FACTORISE =
4X²+ 17x+15
THX

Answer 1

`\sf (4x +5)(x+3)`

Step-by-step explanation:

`\sf 4x^2 + 17x + 15`

common term of 15 and 4 is 60: [ 12 * 5 ]

`\sf 4x^2 +12x+5x+ 15`

break down and factorise

`\sf 4x(x+3) +5(x+3)`

group them together

`\sf (4x +5)(x+3)`