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(a+4) (a-3)
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0
Step-by-step explanation:
Here,
( a + 4) ( a - 3)
a( a - 3) + 4 ( a - 3)
a² - 3a + 4a - 12
a² + a - 12
Answered by
0
Answer:
a²+a-12
Step-by-step explanation:
(a+4)(a-3)
=(a+4)[a+(-3)]
=a²+[4+(-3)]a+4×(-3)
(x+a)(x+b) = x²+(a+b)x+ab
=a²+1a-12
=a²+a-12
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