Question

(a + 18)(a – 20)
$(a + 18)(a - 20)$
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Answer 1

Step-by-step explanation:

(a+18)(a-20)

=a(a-20) +18(a-20)

=a²-20a+18a-360

=a²-2a-360

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Answer 2

$\huge \tt{To \: Given}$

(a + 18)(a – 20)

(a + 18)(a - 20)

$\huge \tt{Solution}$

= a(a - 20) +18( a - 20)

= a² - 20a + 18a - 360

= a² - 2a - 360

$\huge{\textbf{\textsf{\color{navy}{}{\purple{hope}{\pink{it}{\color{pink}{helps}}}}}}}$