(1). Simplify:-
(a). a² - b² + a (a + b)
(b). 10p² - 6p (p + 9) + p (3 - 7)
Answers
Answered by
1
Answer:
a.) a²-b²+a²+ab
=>2a²-b²+ab
=>2a²-b(b-a)
b.) 10p²-6p²-54p+3p-7p
=>4p²-54p-7p+3p
=>4p²-58p
=>2p(2p-29)
Answered by
2
Step-by-step explanation:
This is derived by the formula of
(a+b)²=a²+b²+2ab&(a−b)²=a²+b²−2ab
Then,
a²+b²=(a+b)²−2ab
a²+b²=(a−b)²−2ab
Hence, this is the answer.
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