Question

Factorise 9x^2-42x+45

Answer 1

Answer:

Step-by-step explanation:

Simplifying

9x2 + -42x + 45 = 0

Reorder the terms:

45 + -42x + 9x2 = 0

Solving

45 + -42x + 9x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.

3(15 + -14x + 3x2) = 0

Factor a trinomial.

3((5 + -3x)(3 + -1x))

Answer 2

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