Question

find the zeros of the polynomial 5 x² + 12 x + 7​

Answer 1

Answer:

-1, -7/5

Step-by-step explanation:

5x^2+12x+7

5x^2+5x+7x+7

5x(x+1) +7(x+1)

(x+1) (5x+7)=0

x=-1 or x=-7/5

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Answer 2

Answer:

BY MIDDLE TERM FACTORIZATION:-

$5x^{2} +12x +7\\ => 5x^{2} +5x+7x+7\\=> 5x(x+1) +7(x+1)\\=> (x+1) (5x+7)$

So the zeroes are:-

(x+1)=0

=> x=-1 Ans

and

(5x+7)=0

=> 5x = -7

=> x = -7/5 Ans

Step-by-step explanation: