1.

Factorisea^{2}+8 a+16

Answer»

We havea2+ 8a + 16 = (a)2+ 2(a)(4) + (4)2 = (a+4)2= (a + 4)(a + 4)∴a2+ 8a + 16 = (a + 4)2= (a + 4)(a + 4)

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