Question

find the product (5x+7) × (3x+4)​

Answer 1

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= 5x(3x+4) +7(3x+4)

= 15x² + 20x + 21x +28

= 15x² + 41x + 28

Answer 2

Answer: 15x2+41x+28

Step-by-step Explaination-

(5x+7)(3x+4)

=(5x+7)(3x+4)

=(5x)(3x)+(5x)(4)+(7)(3x)+(7)(4)

=15x2+20x+21x+28

=15x2+41x+28