Question

Factorise
3x² - 13x +12​

Answer 1

Answer:

0

Step-by-step explanation:

Simplifying

3x2 = -13x + -12

Reorder the terms:

3x2 = -12 + -13x

Solving

3x2 = -12 + -13x

Solving for variable 'x'.

Reorder the terms:

12 + 13x + 3x2 = -12 + -13x + 12 + 13x

Reorder the terms:

12 + 13x + 3x2 = -12 + 12 + -13x + 13x

Combine like terms: -12 + 12 = 0

12 + 13x + 3x2 = 0 + -13x + 13x

12 + 13x + 3x2 = -13x + 13x

Combine like terms: -13x + 13x = 0

12 + 13x + 3x2 = 0

Factor a trinomial.

(3 + x)(4 + 3x) = 0

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Answer 2

Step-by-step explanation:

3x^2-13+12=0

3x^2-9x-4x+13=0

3x(x-3)-4(x-3)=0

(3x-4) (x-3)=0

3x-4=0. OR. x-3=0

3x=4. OR. x=3

x=4/5

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