Painevg
2021-12-28
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Ronnie Schechter

Answered 2021-12-29
Author has **27** answers

Considering the question, we have:

$\Rightarrow (2y-7)(2y+7)=\left(2y\right)\left(2y\right)+\left(2y\right)\left(7\right)-\left(7\right)\left(2y\right)-\left(7\right)\left(7\right)$

$\Rightarrow (2y-7)(2y+7)=4{y}^{2}+14y-14y-49$

Answer$\Rightarrow (2y-7)(2y+7)=4{y}^{2}-49$

Answer

peterpan7117i

Answered 2021-12-30
Author has **39** answers

Expand $(2y-7)(2y+7)$ using the FOIL Method

$2y\left(2y\right)+2y\cdot 7-7\left(2y\right)-7\cdot 7$

Simplify and combine like terms.

$4{y}^{2}-49$

Simplify and combine like terms.

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Factor each of the algebraic expressions completely. $12{x}^{3}-52{x}^{2}-40x$

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What is seven hundred twenty-six minus four hundred forty-eight?

asked 2021-02-25

Which expression can be used to check the quotient $646\xf73?$

$A\left(251\times 3\right)+1$

$B\left(215\times 3\right)+2$

$C\left(215\times 3\right)+1$

$D646\times 3$

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Using the Fundamental Theorem of Algebra, complete the following exercise. Show your work.

Determine how many, what type, and find the roots for$f\left(x\right)={x}^{3}-5{x}^{2}-25x+125$ .

Determine how many, what type, and find the roots for

asked 2021-12-17

A certain type of candle is packaged in boxes that measure 42 cm by 17 cm by 10 cm. The candle company that produced the above packaging has now designed shorter candles. A smaller box will be created by decreasing each dimension of the larger box by the same length. The volume of the smaller box will be at the most 2220 cm3. What are the maximum dimensions of the smaller box? Solve this problem algebraically. Please use The Factor Theorem

asked 2021-12-30

Translate the following verbal statement into an algebraic equation and then solve: Use x for your variable.

The quotient of three more than a number and six is nine.

Equation ?

$x=?$

The quotient of three more than a number and six is nine.

Equation ?