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3 years ago

Simplify this equation : xz³ × 4x³z²

Mathematics

2 answers:

Elden [556K]3 years ago

5 0

Answer is 4x^4 x z^5

Virty [35]3 years ago

5 0

Answer:

$4x^4z^5$

Step-by-step explanation:

$xz^3 * 4x^3z^2$

As we are multiplying, we use the addition power law to simplify the powers of each term:

$n^a * n^b = n^{a+b}$

$4*x^{1+3}*z^{3+2}=4x^4z^5$

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3 years ago

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Artemon [7]

Answer:

$\huge\boxed{(2,\ 3);\ (-1,\ 6)}$

Step-by-step explanation:

$f(x)=x^2-2x+3\to y=x^2-2x+3\\f(x)=-x+5\to y=-x+5\\\\\left\{\begin{array}{ccc}y=x^2-2x+3&(1)\\y=-x+5&(2)\end{array}\right$

substitute (1) to (2):

$x^2-2x+3=-x+5$ add x to both sides

$x^2-2x+x+3=-x+x+5$

$x^2-x+3=5$ subtract 5 from both sides

$x^2-x+3-5=5-5$

$x^2-x-2=0\\\\x^2+x-2x-2=0\\\\x(x+1)-2(x+1)=0\\\\(x+1)(x-2)=0\iff x+1=0\ \vee\ x-2=0\\\\\boxed{x=-1\ \vee\ x=2}$

substitute the values of x to (2):

$x=-1\\\\y=-(-1)+5=1+5=6\\\\\huge\boxed{(-1,\ 6)}\\\\x=2\\\\y=-2+5=3\\\\\huge\boxed{(2,\ 3)}$

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3 years ago

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