Question

(b) x2 – 3x²y - 4x + 7 if x = -2, y = 2​

Answer 1

Answer:

Step-by-step explanation:

Hey mate here is your answer:

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Question:

→$x^2-3x^2y-4x+7$.

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Given:

$x=-2,\\\\y=2.$

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Solution:

→To get the value of $x^2-3x^2y-4x+7$,we should substitute the values $x=-2\:y=2,$ in the equation.

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Answer:

→$x^2-3x^2y-4x+7,$

→$(-2)^2-3(-2)^22-4(-2)+7,$

→$4-24+8+7,$

→$-20+15,$

→$-5\:is\:the\:answer$.

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Hope it helps you.