1.

7. Simplify the following algebraic expressions.(a) 3x + 4y + 2xy + 5x – xy - 2x(b) abc + ab + ac + ba - 2abc + bc + ba - 3ab​

Answer»

Answer:

(a)6x+4y+XY

(b)-abc+2ab+ac+2ba+BC

Step-by-step EXPLANATION:

(a) 3x + 4y + 2xy + 5x – xy - 2x

=3x+5x-2x+4y+2xy-xy

=6x+4y+xy

(b) abc + ab + ac + ba - 2ABC + bc + ba - 3ab

=abc-2abc+ab-3ab+ac+ba+ba+bc

=-abc+2ab+ac+2ba+bc



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