Question

7. (5x + 6)( 4x + 2)
A) 9x2 + 34x + 12
B) 20x2 + 34x + 12
C) 20x2 + 24x + 12
D) 20x2 + 34x + 8​

Answer 1

[tex](5x \: + \: 6)(4x \: + \: 2)[/tex]

[tex]5x \: \times \: 4x \: + \: 5x \: \times \: 2 \: + \: 6 \: \times \: 4x \: + \: 6 \: - \: 2[/tex]

[tex] {20x}^{2} \: + \: 10x \: + \: 24x \: + \: 12[/tex]

[tex] \boxed{\bold{ {20x}^{2} \: + \: 34x \: + \: 12}}[/tex]

R// B) 20x² + 34x + 12

Besitos OvO