evaluate( 1-6x) (1+6x)+(2+x) (2-x)
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Answer:
Answer is -37x²+5
Step-by-step explanation:
(1-6x)(1+6x)+(2+x)(2-x)
we know the identity (a+b)(a-b)=a² - b²
(1²)-(6x²)+(2²)-(x²)
1-36x²+4-x²
-37x²+5 answer
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