N²-6n-7=0 what do i do?

x = 7 and - 1

Step-by-step explanation:

f(x) = (x - 7) (x + 1)

x - 7 = 0

x - 7 + 7 = 0 + 7

x = 7

x + 1 = 0

x + 1 - 1 = 0 - 1

x = - 1

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)