find product using identity of (x+4)(x+10).
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(x+4)(x+10)
= x²+(4+10)x + 4×10
= x² + 14x + 40
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→.Formula used: (a+b) (a+c)= a²+(b+c)a+ab
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If we Factorise it then↓
x² + 14x + 40
= x²+(10+4)x+40
= x²+10x+4x+40
=x(x+10)+4(x+10)
=(x+10)(x+4)
______________________________
= x²+(4+10)x + 4×10
= x² + 14x + 40
______________________________
→.Formula used: (a+b) (a+c)= a²+(b+c)a+ab
______________________________
If we Factorise it then↓
x² + 14x + 40
= x²+(10+4)x+40
= x²+10x+4x+40
=x(x+10)+4(x+10)
=(x+10)(x+4)
______________________________
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