Math, asked by reena2105, 7 months ago

if p(x)=2xsq-3x+5, find the values of p(1) and p(-2)​

Answers

Answered by brainlygirl87
1

 \huge \bold \red{answer : }

GIVEN EQUATION :

p(x) = 2 {x}^{2}  - 3x + 5

WHEN P(X)=1

p(1) = 2( {1})^{2}  - 3(1) + 5

 \:  \:  \:  \:  \:  \:  \:  \:  \:  = 2 \times 1 - 3 + 5

 \:  \:  \:  \:  \:  \:  \:  \:  \:  = 2 - 3 + 5

 \:  \:  \:  \:   \: \:  \:  \:  \:  =  - 1 + 5

 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =   4

WHEN P(X)= -2

p( - 2) = 2( { - 2})^{2}  - 3( - 2) + 5

 \:  \:  \:  \:   \:  \:  \:  \:  \:  \: \:  \:  \:  = 2  \times 4 - 3 \times ( - 2) + 5

 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 8 - ( - 6) + 5

 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 8 + 6 + 5

 \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   = 19

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