Question

factorise 7x^2+69x-10

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Answer 1

Answer:

Here is the answer

Step-by-step explanation:

7 x^2+69 x-10

product should be -70

and sum should be 69

7 x^2+70 x - x - 10

7x(x+10) -1( x+10)

Factors are: (7x-1) (x+10)

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Answer 2

Answer:x=-1,1/7

Step-by-step explanation:

7x^2+70x-10=0

7x (x+10)-1 (x+10)=0

(x+10)or (7x-1)=0

X+10=0 or 7x-1=0

x=-10,1/7