Answer:
a^2+2ab+b^2
Step-by-step explanation:
FOIL method is First variables Outer variables Inner variables Last variables
(a+b)^2 rewritten is (a+b)(a+b)
F - a*a
O - a*b
I - a*b
L - b*b
a*a+a*b+a*b+b*b
simplify
a^2+2ab+b^2
Answer:
Prime
Step-by-step explanation:
x² + 20x − 36
You must find a pair of numbers that multiply to give -36 and add to give +20.
The likely candidates are 2 and 18, and they must have opposite signs to give a negative product.
+2 × (-18) = -36; +2 + (-18) = -16
-2 × 18 = -36; -2 + 8 = +16
Neither combination gives +20 as the sum.
The expression can't be factored with rational numbers.
The expression is prime.
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➷ Find the multiplier:
5% ==> 1.05
Use the formula:
final = original x multiplier^n
n is the number of years
Substitute in the values:
final = 3250 x 1.05^6
solve:
final = 4355.310832
The answer is Rs. 4355.31
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Answer:
the d is right one look this img
