Question

Step by step Plz plz

Answer 1

Answer:

1.(x-4)(2x-3)= x^2-3x-8x+12=x^2-11x+12

2.(x-y)(3x+5)=3x^2+5x-3xy-5y

3.(a+7)(b-5)=ab-5a+7b-35

4.(a^2+2b^2)(5a+3b)= 5a^3+ 3a^2 b +10a b ^2+6b^3

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

= 2a^2-3ab+ac+2ab-3b^2+bc-2ac+3bc

=2a^2b-ab-ac-3b^2+4bc

Step-by-step explanation:

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