Question

25x^2+25x+4 factorise using splitting method

Answer 1

Answer:

Answer:(5x+4)(5x+1)

Step-by-step explanation:

25x²+25x+4

25x²+25x+425x²+20x+5x+4

25x²+25x+425x²+20x+5x+45x(5x+4)+1(5x+4)

25x²+25x+425x²+20x+5x+45x(5x+4)+1(5x+4)(5x+4)(5x+1)

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Answer 2

Answer:

25x^2 + 20x + 5x + 4

5x(5x + 4) +1 (5x + 4)

(5x + 1) (5x + 4) = 0

x = -1/5 , x = -4/5