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il63 [147K]
2 years ago
9

In the following exercises, multiply the binomials. Use any method. 266. (3rs − 7)(3rs − 4)

Mathematics
1 answer:
Novay_Z [31]2 years ago
3 0

Answer:

Hence the expression $$(3rs-7)(3rs-4)=9r^2s^2-33rs+28$$

Step-by-step explanation:

Explanation

  • The given expression is (3rs-7)(3rs-4).
  • We have to multiply the given expression.
  • Multiply the (3rs-7) by -4, multiply the (3rs-7) by 3rs then add like terms.

$$\begin{matrix}{} & {} & {} & {} & 3rs & - & 7 \\ \times & {} & {} & {} & 3rs & - & 4 \\ \end{matrix}$$

_________________

$$\begin{matrix}{} & {} & {} & - & 12rs & + & 28 \\ {} & {} & 9{{r}^2}{{s}^2} & - & 21rs & {} & {} \\ \end{matrix}$$

________________

$$\begin{matrix}{} & {} & 9{{r}^2}{{s}^2} & - & 33rs & + & 28 \\ \end{matrix}$$

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