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If P = −2, Find the Value Of −3p2 + 4p + 7 - CBSE Class 7 - Mathematics

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Question

If p = -2, find the value of −3p2 + 4p + 7

Solution

-3p2 + 4p + 7 = -3 (-2) × (-2) + 4 × (-2) + 7

= -12 - 8 + 7 = -13

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APPEARS IN

 NCERT Solution for Mathematics for Class 7 (2018 to Current)
Chapter 12: Algebraic Expressions
Ex. 12.30 | Q: 2.2 | Page no. 242
Solution If P = −2, Find the Value Of −3p2 + 4p + 7 Concept: Finding the Value of an Expression.
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