Question

The value -1 is a solution for x2 - 6x+ 5 = 0.
True or false

Answer 1

false

Explanation:

• If -1 us a solution then putting -1 in place of x will be 0

`\rm \dashrightarrow \: {x}^(2) - 6x + 5 = 0 \\ \rm \dashrightarrow \: {( - 1)}^(2) - 6( - 1) + 5 = 0 \\ \rm \dashrightarrow \: 1 + 6 + 5 = 0 \\ \rm \dashrightarrow \: 7 + 5 = 0 \\ \rm \dashrightarrow \: 12 \cancel{ = }0`