Question

simplify:5a²-3+7a+7a²-10a+4-15a​

Answer 1

Step-by-step explanation:

5a square+ 7a square +7a -10a -15a -3 +4

12a square-18a +1

Answer 2

Answer:

Simplify

Step-by-step explanation:

Let's simplify step-by-step.

$5a { }^{2} - 3 + 7a + 7a {}^{2} - 10a + 4 - 15a$

$= 5a {}^{2} + - 3 + 7a + 7a {}^{2} + - 10a + 4 + - 15a$

$= (5a {}^{2} + 7a) + (7a + - 10a + - 15a) + ( - 3 + 4)$

$= 12a {}^{2} + 18a + 1$