Mathematics, 12.02.2022 09:20 mvazquez298
McKenna was asked to write the following expression in standard form.
3-5(3a+6)3β5(3a+6)
When writing the expression in standard form, McKenna made a mistake.
Step 1 2(3a+6)
Step 2 -6a+(-12)
Step 3 -6a-12
Step}\ 4 3β5(3a+6)
3+(β5)(3a+6)
β2(3a+6)
β6a+(β12)
β6aβ12
a. McKenna made her first mistake in Step 2
.
b. The correct expression in standard form is
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McKenna was asked to write the following expression in standard form.
3-5(3a+6)3β5(3a+6)
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