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How do you find the product of (7x + 4)(9x + 8)?
Sub Grade: 10

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63x2+92x+32

65x1+93x+32

64x1+94x+32

62x2+92x+32

answer is A.

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Detailed Solution

(7x+4)(9x+8)= Multiplication of 7x and 9x+Multiplicationof 7x and 8+Multipliationof 4 and 9x+Multiplicationof 4 and 8
(7x+4)(9x+8)=7x X 9x+7x X 8+4 X 9x+4 X8
(7x+4)(9x+8)=63x2+56x+36x+32
(7x+4)(9x+8)=63x2+92x+32
Type Exam: CBSE

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