Question

Expand;- (m-3) (m+4)​

Answer 1

Answer:

(m-3) (m+4)

We can use the identity

(x+a)(x-b)=x²+(a-b)x+ab

here

x=m,a=3,b=4

m²+(4-3)m+12

=m²+m+12

Hope it helps

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