# math (algerba 1)

how would you sovle this?

multiply:
(a + 5) (a - 5)

1. 👍
2. 👎
3. 👁
4. ℹ️
5. 🚩
1. you should use FOIL. However, you should have memorized this form:

(a^2-b^2)=(a+b)(a-b) If you don't recognize the difference of two squares, memorize it now.

1. 👍
2. 👎
3. ℹ️
4. 🚩

## Similar Questions

1. ### Math

A student is trying to solve the set of two equations given below: Equation A: x + z = 6 Equation B: 2x + 4z = 1 Which of the following is a possible step used in eliminating the z-term? Multiply equation B by 4. Multiply equation

2. ### math

Write the result in scientific notation. Multiply (8•10^3)(7•10^5) A.5.6•10^16 B.5.6•10^9 C.1.5•10^16 D.1.5•10^9 Is the answer A or B?? because 8•7=56 and you put a decimal between the five and six but if I add the

3. ### Math

Explain how you can solve 8x8 if you know how to multiply with 4 but not how to multiply with 8.

4. ### Math

Which inverse operations could you use to solve the equation m/5 - 8 = -6? Select two answers A. Add 8 to each side and then divide each side by 5. ***B. Add 8 to each side and then multiply each side by 5. C. Multiply each side

1. ### check my answer, its MATH

In order to solve the following system of equations by elimination, which process creates opposite coefficients to eliminate the y variable? 2x + y = 5 x + 4y = −7 A. Multiply the first equation by 4******* B. Multiply the

2. ### Math

Multiply and simplify by factoring. Assume that all expressions under radicals represent nonnegative numbers. ∛(y^13 ) ∛(¡¼16y¡½^14 ) Am I supposed to add the exponents and multiply the little 3's?

3. ### Statistics 2

To calculate the mean for grouped data, which of the following steps must be completed? a. multiply the number of subjects within each category by the value of that category b. divide the results of the multiplication c. multiply

4. ### math

whats the answer to if you multiply me by 2 im greater than 20 but less than 40, if you multiply me by 4 i end in 2, and if you multiply me by 6 i end in 8

1. ### Algebra

Solve each literal equations for the indicated variable D = C - s/n ( for s) s/n = D - C Next, multiply both sides of the above equation by n, to get the equation for s. i don't understand could you type it how it looks This is an

2. ### math

If you multiply me by 2, I become a number greater than 20 and less than 40. If you multiply me by 6,I end in 8. If you multiply me by 4 I end in 2.

3. ### math

Mrs. Brock's class has 23 students. Each student has 8 markers. Which describes how to find the total number of markers in the class? a) Multiply the ones. Record; b) Multiply the tens. Record; c) Multiply the tens. Record.

4. ### math-5

Tara spent 3 hours doing homework. She spent 1/3 of her time on math, and 1/5 on science. Which method would provide the most reasonable estimate of the totaltime Tara spent on her math and science homework? a. multiply 1/8 by 3