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Semenov [28]
3 years ago
11

FACTORISE = 4X²+ 17x+15 THX

Mathematics
2 answers:
Eva8 [605]3 years ago
8 0
4 * 15 = 60

x * y = 60
x + y = 17

What two numbers multiply to get 60 and add to get 17
EleoNora [17]3 years ago
6 0

Answer:

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

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)

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