Question

1) а2b2 (a2+3ab-b2) 2)-m(m-2)+5m2(1-3m) 3)(t-3)(t+5) 4)(4x-7)(3x-8) 5)(b-2)(b2+3b-4) (цифры после букв-степени) решение и ответ это не уровнения, просто посчитать (да я тупая и что вы мне сделаете)

Answer 1

Ответ:

а^b*(a+3ab-b^)=a  в 4-й степ*в квадрат+3 а в кубе*в в кубе-в в 4-й* а в квадрате;

-m(m-2)+5 m в квадрате*(1-3m)=m   в квадрате+2*m+5m  в квадрате-1 m в квадрате=3m в квадрате+2m=m(3m+2)

Answer 2

Simplifying Expressions

To simplify the given expressions, let's go through each one step by step.

1) a^2 + b^2 + (a^2 + 3ab - b^2)

To simplify this expression, we can combine like terms. The terms a^2 and b^2 appear twice, so we can add them together. The term 3ab does not have any like terms, so it remains as it is.

Simplifying the expression, we get: 2a^2 + 3ab

2) -m(m - 2) + 5m^2(1 - 3m)

In this expression, we have two terms: -m(m - 2) and 5m^2(1 - 3m).

To simplify the first term, we can use the distributive property. Multiplying -m by each term inside the parentheses, we get: -m^2 + 2m

For the second term, we can also use the distributive property. Multiplying 5m^2 by each term inside the parentheses, we get: 5m^2 - 15m^3

Combining the simplified terms, we get: -m^2 + 2m + 5m^2 - 15m^3

3) (t - 3)(t + 5) + 4

In this expression, we have a product of two binomials: (t - 3) and (t + 5). To simplify, we can use the distributive property.

Multiplying t by each term inside the second parentheses, we get: t^2 + 5t

Multiplying -3 by each term inside the second parentheses, we get: -3t - 15

Combining the simplified terms, we get: t^2 + 5t - 3t - 15

Simplifying further, we have: t^2 + 2t - 15

4) (4x - 7)(3x - 8)

Similar to the previous expression, we have a product of two binomials: (4x - 7) and (3x - 8). To simplify, we can use the distributive property.

Multiplying 4x by each term inside the second parentheses, we get: 12x^2 - 32x

Multiplying -7 by each term inside the second parentheses, we get: -21x + 56

Combining the simplified terms, we get: 12x^2 - 32x - 21x + 56

Simplifying further, we have: 12x^2 - 53x + 56

5) (b - 2)(b^2 + 3b - 4)

Again, we have a product of two binomials: (b - 2) and (b^2 + 3b - 4). To simplify, we can use the distributive property.

Multiplying b by each term inside the second parentheses, we get: b^3 + 3b^2 - 4b

Multiplying -2 by each term inside the second parentheses, we get: -2b^2 - 6b + 8

Combining the simplified terms, we get: b^3 + b^2 - 10b + 8

These are the simplified forms of the given expressions.

Let me know if there's anything else I can help you with!