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Perhatikan gambar berikut!
A Talibusur ditunjukkan oleh AB, kareno tali busur adalah f. 
AB
b. 
OC dan memilihi an-ciri
c 
nn a
a. 
uu D

Perhatikan gambar berikut! A Talibusur ditunjukkan oleh ABAB, kareno tali busur adalah ff. ABAB b. OCOC dan memilihi an-ciri cc nnnn aa aa. uuuu DD

Full solution

Q. Perhatikan gambar berikut! A Talibusur ditunjukkan oleh ABAB, kareno tali busur adalah ff. ABAB b. OCOC dan memilihi an-ciri cc nnnn aa aa. uuuu DD
  1. Identify Coefficients: Identify the coefficients of the quadratic expression, which are a=1a=1 (coefficient of z2z^2), b=13b=13 (coefficient of zz), and c=22c=22 (constant term).
  2. Find Multiplying Numbers: Look for two numbers that multiply to cc (2222) and add up to bb (1313). After some trial and error, we find that 1111 and 22 do the job because 11×2=2211 \times 2 = 22 and 11+2=1311 + 2 = 13.
  3. Write Factored Form: Write the factored form using the two numbers found. The quadratic expression z2+13z+22z^2 + 13z + 22 can be factored as (z+11)(z+2)(z + 11)(z + 2).