Math, asked by shobharajput, 8 months ago

Find the product 7x(4xy+12y power 2) and find its value for x=-2 and y= 2.5.

Answers

Answered by TEJPRATAPSINGH2725

0

Answer:

-2450

Step-by-step explanation:

28x^2 + 84xy^2

= 28(-2)^2 + 84(-2)(2.5)^2

= 28(4) + 84(-2)(6.25)

112 + 84(-12.5)

= 196(-12.5)

= - 2450

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