Math, asked by anurksazm, 6 months ago

1. Simplify a). 7(2x²+4y²+3xy) -3(2x²-7y²-5xy)

Answers

Answered by gargr3094

1

Answer:

8x^2 + 49 y^2+36xy

Step-by-step explanation:

14x^2 +28y^2 +21xy-6x^2+21y^2+15xy

=14^2-6x^2+28y^2 +21y^2+21xy+15xy

=8x^2+49y^2+36xy

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