Question

factorise the following polynomial y^2 + 7y + 10 ,4x^2 - 20x+ 25 9x^2 + 19x + 10 , m^2 - 10x + 25​

Answer 1

Step-by-step explanation:

1. y²+7y+10

y²+2y+5y+10

y(y+2) +5(y+2)

(y+2)(y+5) answer

2.4x²-20x+25

4x²-10x-10x+25

2x(x-5) +5(2x-5)

(2x-5)(2x+5)

3.9x²+19x+10

9x²+9x+10x+10

9x(x+1) + 10(x+1)

(x+1)(9x+10)

4. x²-10x+25

x²-5x-5x+25

x(x-5)-5(x-5)

(x-5)(x-5)

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