Answer:26
Step-by-step explanation:
The discriminant of the equation is -20. You use the formula( that's how I solved it)
Discriminant formula- b^2 - 4(a)(c)
Work:
4^2-4(1)(9) = -20
The formula for this is the part of the quadratic formula
Answer:

Step-by-step explanation:
Given


Required
The product
The product is:
'
Cancel out the negative signs

Simplify fractions



3.2 goes in the first and second blank, 8.7 is the final answer
Answer:
1. 3x+3y=9 since it is a coinciding line.It is equivalent because all the terms are multiplied by 3 from the original equation.
2. x-4=3x+4
x=3x+8
-2x=8
x=-4
y=-4-4
y=-8
please mark me brainlyest <i cant spell it i think i spelled it wrong lol >