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Standard VIII
Maths
Operations on Algebraic Expressions
Question
Evaluate:
$$(c+5) ( c -3) $$
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Solution
Verified by Toppr
$$(c+5) (c-3)$$
It can be written as $$= c (c-3) +5 ( c-3)$$
By further calculation $$=c^{2}-3c+5c-15$$
$$=c^{2}+2c-15$$
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