Question

Factorise:4(3 + 4)²+(3m + 4n)–5
pls do it fast
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Answer 1

4\left(3+4\right)^2+\left(3m+4n\right)-5

=4\left(3+4\right)^2+3m+4n-5

=7^2\cdot \:4+3m+4n-5

=196+3m+4n-5

=3m+4n+191

HOPE IT HELPS U :D

Answer 2

Answer:

4(3+4)^2+(3m+4n)-5

4(7)^2+(3m+4n)-5

4+×49+(3m+4n)-5

196-5+(3m+4n)

191+3m+4n