Question

p(x)=3x^
+5x-7at x=1​

Answer 1

$\huge\bf\mathfrak\green{An}\red{sw}\blue{er}\:is\: 1$

$p(x)=3 {x}^{2} + 5x - 7 \\ If \: x=1 \: then, \\ p(1)=3 {(1)}^{2} + 5(1)-7at \\ p(1) = 3 + 5 - 7 \\ = 8 - 7 \\ = 1</p><p>$

$\: \:\boxed{<strong>p(x)=1</strong>}$

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Answer 2

Answer:

• If x =1
• substitute 1 into equation
• 3*1 +5*1 - 7
• 3+8 - 7
• 1