Answer:
The first two
Step-by-step explanation:
Do the parenthesis of the first and you will get the original equation.
Multiple the second with 4 and you will get the original equation too.
Answer:
x= -8 x=2
Step-by-step explanation:
x^2 +6x - 6 = 10
Subtract 10 from each side
x^2 +6x -16 =0
Factor what 2 numbers multiply to -16 and add to 6
8*-2 = -16
8-2 = 6
(x+8) (x-2) =0
Using the zero product property
x+8 =0 x-2 =0
x= -8 x=2
Answer:
254.5
Step-by-step explanation:
Answer:
https://www.learncbse.in/ncert-solutions-for-class-7-maths/
