Question

1. (5x + 7) x (3x +4)​

Answer 1

Answer:

Hey mate...this is the answer to the question...

Explanation:

Hope this helps you...

Answer 2

( 5x + 7 )( 3x + 4 ) = 15x^2 + 41x + 28

SOLUTION-

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

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

=> 15x^2 + 20x + 21x + 28

=> 15x^2 + 41x + 28

VERIFICATION -

=> 15x^2 + 20x + 21x + 28

=> {[3 * 5 * x * x] + [ 2 * 2 * 5 * x ]} + {[ 3 * 7 * x ] + 2 * 2 * 7}

Taking out the Common Factors,

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

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

Therefore, the Given is Verified.

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