8. Multiply 2x(x² + 3xy + 5) and find its value for x = -2 and y = 2
ayushchaurasiya3434:
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Answered by
2
Step-by-step explanation:
=2x^3 + 3x^2y + 10x
now put value of x= -2
=2(-2)^3 + 3(-2)^2y + 10(-2)
= 2(-8) + 3(4)y - 20
= -16 + 12y - 20
= 12y - 36
now put value of x=2
= 2(2)^3 + 3(2)^2y + 10(2)
= 2(8) + 3(4)y + 20
= 16 + 12y + 20
= 12y + 36
hope this will help you
Answered by
0
Step-by-step explanation:
Complete answer is 12 diksha difldi
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