Question

Multiply: (5x^2 -3x +7) by (4x+3) and verify the result when x=2.​

Answer 1

.........................;!!!!!!!!!?..........!!!

Answer 2

Answer:

20x^3+15x^2-12x^2-28x+21

by putting the value of x=2

20×2^3+15×2^2-12×2^2-28×2+21

20×8+15×4-12×4-28×2+21

160+60-48-56+21

220-104+21

241-104

137

hope it will help you alot

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