what should be added to 7x^2-5x+1 to get -3x^2+4x+7 ?
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Answer:
this is the required answer
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Step-by-step explanation:
Let the required number be "a"
according to the given problem
"a "should be added to 7x²-5x+1 to get -3x²+4x+7
=>a+7x²-5x+1=-3x²+4x+7
=>a=(-3x²+4x+7)-(7x²-5x+1)
=>a=-3x²+4x+7-7x²+5x-1
=>a=(-3x²-7x²)+(4x+5x)+(7-1)
=>a=-10x²+9x+6
The answer is -10x²+9x+6
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