= (-3a - 6b + 7) + (13a - (-2b) + 4)
= -3a - 6b + 7 + 13a + 2b + 4
= -3a + 13 - 6b + 2b + 7 + 4
= 10a - 4b + 11
@BeruangGemoy :•
(-3a - 6b + 7) + (13a - (-2b) + 4)
(-3a - 6b + 7) + (13a + 2b + 4)
(-3a+13a)(-6b+2b)(7+4)
10a - 4b + 11
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Verified answer
= (-3a - 6b + 7) + (13a - (-2b) + 4)
= -3a - 6b + 7 + 13a + 2b + 4
= -3a + 13 - 6b + 2b + 7 + 4
= 10a - 4b + 11
@BeruangGemoy :•
(-3a - 6b + 7) + (13a - (-2b) + 4)
(-3a - 6b + 7) + (13a + 2b + 4)
(-3a+13a)(-6b+2b)(7+4)
10a - 4b + 11