group the 1st 2 terms and last 2 terms:
(Z63 -2z^2) + (9z-18)
factor out GCF:
z^2(z-2) + 9(z-2)
now factor the polynomial:
(z-2) (z^2+9)
Answer:
x= -3
Step-by-step explanation:
x equals to -3 is the standard form
You do 2x20 which is basically 2x2 (4) add a zero and your answer is 40
9514 1404 393
Answer:
23.44
Step-by-step explanation:
The mnemonic SOH CAH TOA reminds you of the relation ...
Tan = Opposite/Adjacent
tan(38°) = x/30
x = 30·tan(38°) ≈ 23.4386
x ≈ 23.44
https://www.mathpapa.com/algebra-calculator.html?q=x%3D10x%2F2%2B5
Step-by-step explanation:
