Question

Factorise:20x2-26x+8​

Answer 1

Answer:

(10x-8)(2x-1)

Step-by-step explanation:

20 x² -26x +8

= 20x²-10x-16x +8

= 10x(2x-1) -8(2x-1)

=(10x-8)(2x-1)

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Answer 2

Answer:

On comparing with standard quadratic equation that is ax2 + bx + c.

Let us simplify the given expression, we get

20x2 – 26x + 8 = 2(10x² – 13x + 4) 10 × 4 = 40 [By taking out the common factor 2]

= 2(10x² – 8x – 5x + 4)

= 2[2x (5x – 4) – 1(5x – 4)]

= 2 (5x – 4) (2x – 1)