Answer:
3x² + 3x - 36=
(3x+12)(x-3)
x² - 3x - 28=
(x+4)(x-7)
Step-by-step explanation:
For both equations use the method called the "Cross Method". It is useful for these type of factorisation questions called "Trinomials".
For more info on the cross method.
Here it is:
https://www.mathsteacher.com.au/year10/ch10_factorisation/05_cross_mult_method/cross.htm
Hope you enjoyed :D
Answer:
1. its substitution
2.
3. order of operations
4. variable
5. equation
Step-by-step explanation:
The original price would be $58.75
Answer: 11.66ft
Step-by-step explanation:
6squared=36+100=136
square root of 136= 11.66ft
What are the choices ? ? It's about 69 miles or 111 km.
