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hockeymen228
18.07.2021 18:58
Алгебра
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3 Modal expressions in the future
Complete the sentences with won't have to
will/won't be able to, will need to
1 She travels free on the buses now but she
when she's 16
2 He doesn't iron his own clothes now but he
learn how to
when he leaves home.
3 I can't pick up emails on my mobile but
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dilasagadatova
dilasagadatova
4,6(15 оценок)
4x^2-(2x-1)^2=15 4x^2-(4x^2-4x+1)=15 4x^2-4x^2+4x-1=15 4x-1=15 4x=16 x=4 9x^2-1=(3x-2)^2 9x^2-1=9x^2-12x+4 -1=-12х+4 12х=5 х=5/12

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