(a) 64
divide 16 by .25 and you will get 64
(b) 34
multiply 40 by .85
Answer:
2x(x + 5)(x - 2y)
Step-by-step explanation:
Given
2x³ + 10x² - 4x²y - 20xy ← factor out 2x from each term
= 2x(x² + 5x - 2xy - 10y)
Factor the first/second and third/fourth terms inside the parenthesis
= 2x(x(x + 5) - 2y(x + 5)) ← factor out (x + 5) from each term in the parenthesis
= 2x(x + 5)(x - 2y)
X^2 = 17^2 - 8^2
x^2 = 289 - 64
x^2 = 225
x = 15
hope it helps
Answer:
Step-by-step explanation:
Use FOIL method
(x + 6)(x +6) = x*x + x*6 +6*x + 6*6
= x² +<u> 6x + 6x</u> + 36 {add like terms}
= x² + 12x + 36
(2^2 * 2^3) / (2^4) =
2^5 / 2^4 =
2^1 <== answer is B
** when multiplying exponents with the same base, keep the base and add the exponents. 2^2 * 2^3 = 2^(2 + 3) = 2^5
** when dividing exponents with the same base, keep the base and subtract the exponents. 2^5 / 2^4 = 2^(5 - 4) = 2^1
