Math, asked by gajendrasingh09837, 3 months ago

(iii) (2x+7) (3x – 2) (5x+4)

Answers

Answered by singharjita353

0

(2x+7)=9x

(3x-2)=x

(5x+4)=9x

9x ×9x

18x

Answered by chegurivignesh18128

0

Answer:

given [2x+7] [3x-2] [5x+4]

Step -by-step explanation:

⇒ 2x[3x-2] +7[3x-2] [5x+4]

⇒ 6x²-4x+21x-14 [5x+4]

⇒ 6x²+17x-14 [5x+4]

⇒ 6x²[5x+4]+17x[5x+4]-14[5x+4]

⇒ 30x³+24x²+85x²+68x-70x-56

∴30x³+109x²-20x-56

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