Question

factorise the following polynomial simple in the middle term 7 x square - 2 x minus 5​

Answer 1

Answer:

factorise the following polynomial simple in the middle term 7 x square - 2 x minus 5

Step-by-step explanation:

factorise the following polynomial simple in the middle term 7 x square - 2 x minus 5

Answer 2

Answer:

YOUR QUESTION=7X^2-2X-5

ANSWER=7x^2-7x+5x-5=7x(x-1)+5(x-1)=(x-1)(7x+5)=0

               x-1=0

so,x=1

7x+5=0

7x=-5

x=-5/7

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