Question

1) Find the roots of the following by using the method of

(a)Completing the square and (b) Factorisation

(i) x

2 + 16 x + 64 = 0

(ii) 5x2

-2 -6x =0​

Answer 1

Step-by-step explanation:

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x²+16x+64=0

x²+8x+8x+64=0

x(x+8)+8(x+8)=0

(x+8)(x+8)=0

x+8=0 | x+8=0

x=-8. | x=-8

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Answer 2

Answer:

I have attached above the solution

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