Question

I’m stuck can someone help me please

Answer 1

Explanation:

2x - 1 = 13

2x = 13 + 1

x = 14/2

x = 7

-7^2 - 4*7

-49 - 28 =. - 77

Answer 2

Explanation:

• 2x-1=13
• 2x=13+1
• 2x=14
• x=14/2
• x=7

Now,

By substituting the value of x

• -x²-4x
• (-7)²-(4×7)
• 49-28
• 21