Answer:
1.54
Step-by-step explanation:
a calculator provides the precise answer efforessly
Answer:
x = 7 x = -6
Step-by-step explanation:
x^2−x−42=0
Factor
What two numbers multiply to -42 and add to -1
-7*6 = -42
-7+6 = -1
(x-7) (x+6) =0
Using the zero product property
x-7 =0 x+6 =0
x = 7 x = -6
The answer For number 2 is D and 3 is B and 4 is C
I hope that helped
Step-by-step explanation:
4x2 + 5x - 7 + 3 - 2x2 + 6x
Solving like terms
2x2 + 11x - 4
Option C is the correct answer
