the value of x in 3x²+8x-7 is -7?true or false
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the value of x in 3x²+8x-7 is -7?true or false
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Answer:
True
Explanation:
Equation:
Equation:3x^2+8x-7
*Value of X:
Value of X:x= (-7)
*Substitution of the value of X on the Equation
Substitution of the value of X on the Equation3(-7)^2 + 8(-7) -7
*Apply PEMDAS/GEMDAS rule and Combine Like Terms
Apply PEMDAS/GEMDAS rule and Combine Like Terms3(49) + (-56) -7
Apply PEMDAS/GEMDAS rule and Combine Like Terms3(49) + (-56) -7147 + (-63)
*Final Answer = 84
hope this helps