Question

Solve by factoring x^2-6x-7=0

Answer 1

x^2-7x+x-7

Answer 2

(x-7)(x+1)
are you having difficulty with factoring?

Answer 3

Yes .

Answer 4

So x(x-7)+1(x-7)=0
(x-7)(x+1)=0
x=7,-1

Answer 5

what is it that youre having trouble with?

Answer 6

- I just dont understand it . I dont know what it is I have to do .

Answer 7

Allrite here we go then Can u see the last term and its sign

Answer 8

you need to find two numbers that add up to your middle number and multiply to the last
in this problem you need two numbers that add to -6 and multiply to -7

Answer 9

first you fin the factors of seven, the only thing it could be is 1 and 7

Answer 10

since seven is negative however, one of these values must also be negative (negative time positive equals negative)

Answer 11

now look at the second number, -6, since its negative, the larger of the two factors (1 and 7) must be negative (-7+1=-6)

Answer 12

so youre two factors are -7 and 1