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answer:
[tex]12 {a}^{2} {b}^{2} (3b + 1)[/tex]
[tex](9 + 13mn)(9 - 13mn)[/tex]
[tex]( {x}^{2} {y}^{2} + 2 {z}^{4} )( {x}^{2} {y}^{3} - 2 {z}^{4} )[/tex]
Answer:
Factor
1. 12a²b(3b + 1 )
Check
12a²b × 3b = 36a²b²
12a²b × 1 = 12a²b
2. Factor
(13mn + 9)( −13mn + 9)
Check
Foil Method
13mn(-13mn)+13mn(9)+9(-13mn)+9(9)
3. Factor
4(x²y³+2z⁴)(x²y³−2z⁴)
Direct Foil Method to check
Sana Makatulong
Goodluck