plz give ans dont give wrong answers or ill report
Answers
Answer:
b) 12x³-17x²+26x-18 divided by 3x+1.
3x+1)12x³-17x²+26x-18(4x²-7x+11
12x³+4x²
-21x²+26x
-21x²- 7x
+33x-18
+33x+11
-29
Quotient=4x²-7x+11 & Remainder=-29.
c) (109)²+(91)².
(109)².
(100+9)².
By using formula (a+b)²=a²+2ab+b² where a=100 & b=9.
(100+9)²=(100)²+2(100)(9)+(9)².
=10000+1800+81.
=11881.
(91)².
(100-9)².
By using formula (a-b)²=a²-2ab+b² where a=100 & b=9.
(100-9)²=(100)²-2(100)(9)+(9)².
=10000-1800+81.
=8281.
(109)²+(91)²=(100+9)²+(100-9)²=11881+8281.
=20162.
d) (a+b)²=a²+2ab+b².
a=3 & b=4.
(3+4)²=(3)²+2(3)(4)+(4)².
(7)²=9+24+16.
49=49.
g) (x+13)(x+20).
By using formula (x+a)(x+b)=x²+(a+b)x+ab where x=x, a=13 & b=20.
(x+13)(x+20)=(x)²+(13+20)(x)+(13)(20).
=x²+33x+260.
Sorry I didn't understand other questions.
I think this is your answer.
Answer:
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Step-by-step explanation:
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