PLEASE HELP ASAPPP IM TIMED

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asked Dec 4, 2023 24.0k views

12 votes

PLEASE HELP ASAPPP IM TIMED

Mathematics
high-school

Dumindu Perera asked

by Dumindu Perera

7.8k points

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1 Answer

8 votes

$\textbf{a).}\\\\r^2-12r+32\\\\=r^2 -8r-4r+32\\ \\=r(r-8) -4(r-8)\\\\=(r-8)(r-4)\\\\\textbf{b).}\\\\5a^2-7a-6\\\\=5a^2-10a+3a-6\\\\=5a(a-2)+3(a-2)\\\\=(a-2)(5a+3)\\\\\textbf{c).}\\\\16g^2+40g+25\\\\=(4g)^2 +2\cdot 5\cdot 4g+5^2\\\\=(4g+5)^2\\\\=(4g+5)(4g+5)$