Factorise a² + 8a =16
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Answer:
a+4²...
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1
Answer:
a²+8a+16
+8a+16=a²
+4a+4a+16
+4a+4a+16=a(a+4)+4(a+4)
+4a+4a+16=a(a+4)+4(a+4)=(a+4)(a+4)
+4a+4a+16=a(a+4)+4(a+4)=(a+4)(a+4)=(a+4)²
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