Question

Multiply the following

(1) 3x + 4 by 7x2 + 2x + 1 4​

Answer 1

$\\ \\ \\ \\ (7x^{2} + 2x + 14)(3x + 4) \\ \\ \\ \\ = 3x(7 {x}^{2} + 2x + 14)4(7 {x}^{2} + 2x + 14) \\ \\ \\ \\ = 21 {x}^{3} + 6 {x}^{2} + 42x + 28 {x}^{2} + 8x + 56 \\ \\ \\ \\ answer$

=21x^3+ 34 x^2+ 50x + 56

Answer 2

Step-by-step explanation:

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