Answer:
Complementary, x=78
Step-by-step explanation:
90= (x-8)+20
complementary angles add up to 90 degrees.
Answer:
Here is the full answered document ;)
Step-by-step explanation:
Use ac method
multiply 12 and -56
-672
now find what 2 factors of -672 add to -89
answer is -96 and 7
expand the middle term like that
12x²-96x+7x-56
group
(12x²-96x)+(7x-56)
factor
12x(x-8)+7(x-8)
undistribute the (x-8)
(x-8)(12x+7) is answer
Answer:
22=x
Step-by-step explanation:
2x-9=5x-75
66=3x
22=x