A (2a-3)=, (B+3) (2b-5)=, (K+10) (5k-4)=

A (2a-3)=

(b+3) (2b-5)=

(k+10) (5k-4)=

 

1. a(2a-3)

Distribute

=2a²-3a

2.(b+3)(2b-5)

FOIL METHOD

2b²-5b+6b-15

SIMPLIFY

=2b²+b-15

3.(k+10)(5k-4)

FOIL

=5k²-4k+50k-40

SIMPLIFY

=5k²+46k-40

#JuneChallenge


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