Multiply:
$(5x + 3)$ by $(7x + 2)$

AcademicMathematicsNCERTClass 8

To do:

We have to multiply $(5x + 3)$ by $(7x + 2)$.

Solution:

We know that,

$(a+b)\times(c+d)=a(c+d)+b(c+d)$

Therefore,

$(5x+3) \times (7x+2)=5x(7x + 2) + 3 (7x + 2)$

$= 35x^2 + 10x + 21x + 6$

$= 35x^2 + 31x + 6$

raja
Updated on 10-Oct-2022 13:19:30

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