Question

Find the following products and verify the results for x = -1 and y = - 2.
16. (5x + 3) and (7 x + 2)
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Answer 1

Answer:

24

Step-by-step explanation:

if X= -1 and Y = -2

then,

$(5x + 3)(7x + 2 ) \\ \: = 5( - 1) + 3 \times 7( - 2) + 2 \\ = ( - 5) + 3 \times ( - 14) + 2 \\ = (- 2) \times ( - 12) \\ = 24$

Answer 2

Answer:

Products=(5x+3)(7x+2)

=5x(7x+2)+3(7x+2)

=35x²+10x+21x+6

=35x²+31x+6

x=-1

= 35(-1)²+31(-1)+6

=35-31+6

= 41-31

=10

Step-by-step explanation:

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